02 Subsetting and Slicing.ipynb

{
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  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import pandas as pd"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "/Users/sanganichaitanya/Downloads/Pers/workshop/pandas-tutorial\r\n"
     ]
    }
   ],
   "source": [
    "!pwd"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "trips_data = pd.read_csv(\"datasets/biketrip.csv\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Indices and column names\n",
    "\n",
    "The DataFrame is composed of 3 things on the face:\n",
    "\n",
    "- Index / row labels\n",
    "- Column Labels\n",
    "- Data\n",
    "\n",
    "Then Row and Column labels help in identifying specific set of data in the data frame ( row and column numbers)\n",
    "\n",
    "**Note:** Index in python starts from 0\n",
    "\n",
    "Index and column structure are not changed unless they are on purpose broken"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
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       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>id</th>\n",
       "      <th>duration</th>\n",
       "      <th>start_date</th>\n",
       "      <th>start_station_name</th>\n",
       "      <th>start_station_id</th>\n",
       "      <th>end_date</th>\n",
       "      <th>end_station_name</th>\n",
       "      <th>end_station_id</th>\n",
       "      <th>bike_id</th>\n",
       "      <th>subscription_type</th>\n",
       "      <th>zip_code</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>432191</td>\n",
       "      <td>383.0</td>\n",
       "      <td>8/30/2014 18:00</td>\n",
       "      <td>San Antonio Shopping Center</td>\n",
       "      <td>31</td>\n",
       "      <td>8/30/2014 18:07</td>\n",
       "      <td>Rengstorff Avenue / California Street</td>\n",
       "      <td>33</td>\n",
       "      <td>179</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94040-1724</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>4576</td>\n",
       "      <td>63.0</td>\n",
       "      <td>8/29/2013 14:13</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>8/29/2013 14:14</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>520</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>4607</td>\n",
       "      <td>70.0</td>\n",
       "      <td>8/29/2013 14:42</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>8/29/2013 14:43</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>661</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95138</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>4130</td>\n",
       "      <td>71.0</td>\n",
       "      <td>8/29/2013 10:16</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>8/29/2013 10:17</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>48</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>97214</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>4251</td>\n",
       "      <td>77.0</td>\n",
       "      <td>8/29/2013 11:29</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>8/29/2013 11:30</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>26</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95060</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
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      "text/plain": [
       "       id  duration       start_date           start_station_name  \\\n",
       "0  432191     383.0  8/30/2014 18:00  San Antonio Shopping Center   \n",
       "1    4576      63.0  8/29/2013 14:13     South Van Ness at Market   \n",
       "2    4607      70.0  8/29/2013 14:42           San Jose City Hall   \n",
       "3    4130      71.0  8/29/2013 10:16      Mountain View City Hall   \n",
       "4    4251      77.0  8/29/2013 11:29           San Jose City Hall   \n",
       "\n",
       "   start_station_id         end_date                       end_station_name  \\\n",
       "0                31  8/30/2014 18:07  Rengstorff Avenue / California Street   \n",
       "1                66  8/29/2013 14:14               South Van Ness at Market   \n",
       "2                10  8/29/2013 14:43                     San Jose City Hall   \n",
       "3                27  8/29/2013 10:17                Mountain View City Hall   \n",
       "4                10  8/29/2013 11:30                     San Jose City Hall   \n",
       "\n",
       "   end_station_id  bike_id subscription_type    zip_code  \n",
       "0              33      179        Subscriber  94040-1724  \n",
       "1              66      520        Subscriber         NaN  \n",
       "2              10      661        Subscriber       95138  \n",
       "3              27       48        Subscriber       97214  \n",
       "4              10       26        Subscriber       95060  "
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
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   ],
   "source": [
    "trips_data.head() "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(669959, 11)"
      ]
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     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data.shape"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Simple Slicing\n",
    "\n",
    " - **[ ]** operator selects require rows/ columns from a data frame\n",
    " - **start : stop** operator is used to give range of values\n",
    " - Stop number should be one stop beyond what we want Eg: To select 0,1,2 rows need to write 0:3\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
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       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>id</th>\n",
       "      <th>duration</th>\n",
       "      <th>start_date</th>\n",
       "      <th>start_station_name</th>\n",
       "      <th>start_station_id</th>\n",
       "      <th>end_date</th>\n",
       "      <th>end_station_name</th>\n",
       "      <th>end_station_id</th>\n",
       "      <th>bike_id</th>\n",
       "      <th>subscription_type</th>\n",
       "      <th>zip_code</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>432191</td>\n",
       "      <td>383.0</td>\n",
       "      <td>8/30/2014 18:00</td>\n",
       "      <td>San Antonio Shopping Center</td>\n",
       "      <td>31</td>\n",
       "      <td>8/30/2014 18:07</td>\n",
       "      <td>Rengstorff Avenue / California Street</td>\n",
       "      <td>33</td>\n",
       "      <td>179</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94040-1724</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>4576</td>\n",
       "      <td>63.0</td>\n",
       "      <td>8/29/2013 14:13</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>8/29/2013 14:14</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>520</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>4607</td>\n",
       "      <td>70.0</td>\n",
       "      <td>8/29/2013 14:42</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>8/29/2013 14:43</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>661</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95138</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>4130</td>\n",
       "      <td>71.0</td>\n",
       "      <td>8/29/2013 10:16</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>8/29/2013 10:17</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>48</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>97214</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>4251</td>\n",
       "      <td>77.0</td>\n",
       "      <td>8/29/2013 11:29</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>8/29/2013 11:30</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>26</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95060</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "       id  duration       start_date           start_station_name  \\\n",
       "0  432191     383.0  8/30/2014 18:00  San Antonio Shopping Center   \n",
       "1    4576      63.0  8/29/2013 14:13     South Van Ness at Market   \n",
       "2    4607      70.0  8/29/2013 14:42           San Jose City Hall   \n",
       "3    4130      71.0  8/29/2013 10:16      Mountain View City Hall   \n",
       "4    4251      77.0  8/29/2013 11:29           San Jose City Hall   \n",
       "\n",
       "   start_station_id         end_date                       end_station_name  \\\n",
       "0                31  8/30/2014 18:07  Rengstorff Avenue / California Street   \n",
       "1                66  8/29/2013 14:14               South Van Ness at Market   \n",
       "2                10  8/29/2013 14:43                     San Jose City Hall   \n",
       "3                27  8/29/2013 10:17                Mountain View City Hall   \n",
       "4                10  8/29/2013 11:30                     San Jose City Hall   \n",
       "\n",
       "   end_station_id  bike_id subscription_type    zip_code  \n",
       "0              33      179        Subscriber  94040-1724  \n",
       "1              66      520        Subscriber         NaN  \n",
       "2              10      661        Subscriber       95138  \n",
       "3              27       48        Subscriber       97214  \n",
       "4              10       26        Subscriber       95060  "
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data[0:5] # try very large number"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
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       "      <th>id</th>\n",
       "      <th>duration</th>\n",
       "      <th>start_date</th>\n",
       "      <th>start_station_name</th>\n",
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       "      <th>end_date</th>\n",
       "      <th>end_station_name</th>\n",
       "      <th>end_station_id</th>\n",
       "      <th>bike_id</th>\n",
       "      <th>subscription_type</th>\n",
       "      <th>zip_code</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>669954</th>\n",
       "      <td>432951</td>\n",
       "      <td>619.0</td>\n",
       "      <td>9/1/2014 4:21</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>9/1/2014 4:32</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>335</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94118</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669955</th>\n",
       "      <td>432950</td>\n",
       "      <td>6712.0</td>\n",
       "      <td>9/1/2014 3:16</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>9/1/2014 5:08</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>259</td>\n",
       "      <td>Customer</td>\n",
       "      <td>44100</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669956</th>\n",
       "      <td>432949</td>\n",
       "      <td>538.0</td>\n",
       "      <td>9/1/2014 0:05</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>9/1/2014 0:14</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>466</td>\n",
       "      <td>Customer</td>\n",
       "      <td>32</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669957</th>\n",
       "      <td>432948</td>\n",
       "      <td>568.0</td>\n",
       "      <td>9/1/2014 0:05</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>9/1/2014 0:15</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>461</td>\n",
       "      <td>Customer</td>\n",
       "      <td>32</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669958</th>\n",
       "      <td>432947</td>\n",
       "      <td>569.0</td>\n",
       "      <td>9/1/2014 0:05</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>9/1/2014 0:15</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>318</td>\n",
       "      <td>Customer</td>\n",
       "      <td>32</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
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      "text/plain": [
       "            id  duration     start_date                    start_station_name  \\\n",
       "669954  432951     619.0  9/1/2014 4:21                    Powell Street BART   \n",
       "669955  432950    6712.0  9/1/2014 3:16  Harry Bridges Plaza (Ferry Building)   \n",
       "669956  432949     538.0  9/1/2014 0:05              South Van Ness at Market   \n",
       "669957  432948     568.0  9/1/2014 0:05              South Van Ness at Market   \n",
       "669958  432947     569.0  9/1/2014 0:05              South Van Ness at Market   \n",
       "\n",
       "        start_station_id       end_date  \\\n",
       "669954                39  9/1/2014 4:32   \n",
       "669955                50  9/1/2014 5:08   \n",
       "669956                66  9/1/2014 0:14   \n",
       "669957                66  9/1/2014 0:15   \n",
       "669958                66  9/1/2014 0:15   \n",
       "\n",
       "                                end_station_name  end_station_id  bike_id  \\\n",
       "669954                           Townsend at 7th              65      335   \n",
       "669955  San Francisco Caltrain (Townsend at 4th)              70      259   \n",
       "669956                             5th at Howard              57      466   \n",
       "669957                             5th at Howard              57      461   \n",
       "669958                             5th at Howard              57      318   \n",
       "\n",
       "       subscription_type zip_code  \n",
       "669954        Subscriber    94118  \n",
       "669955          Customer    44100  \n",
       "669956          Customer       32  \n",
       "669957          Customer       32  \n",
       "669958          Customer       32  "
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data[-5:]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
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       "      <th>id</th>\n",
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       "      <th>start_date</th>\n",
       "      <th>start_station_name</th>\n",
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       "      <th>end_station_name</th>\n",
       "      <th>end_station_id</th>\n",
       "      <th>bike_id</th>\n",
       "      <th>subscription_type</th>\n",
       "      <th>zip_code</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>432191</td>\n",
       "      <td>383.0</td>\n",
       "      <td>8/30/2014 18:00</td>\n",
       "      <td>San Antonio Shopping Center</td>\n",
       "      <td>31</td>\n",
       "      <td>8/30/2014 18:07</td>\n",
       "      <td>Rengstorff Avenue / California Street</td>\n",
       "      <td>33</td>\n",
       "      <td>179</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94040-1724</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>4576</td>\n",
       "      <td>63.0</td>\n",
       "      <td>8/29/2013 14:13</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>8/29/2013 14:14</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>520</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>4607</td>\n",
       "      <td>70.0</td>\n",
       "      <td>8/29/2013 14:42</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>8/29/2013 14:43</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>661</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95138</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>4130</td>\n",
       "      <td>71.0</td>\n",
       "      <td>8/29/2013 10:16</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>8/29/2013 10:17</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>48</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>97214</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>4251</td>\n",
       "      <td>77.0</td>\n",
       "      <td>8/29/2013 11:29</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>8/29/2013 11:30</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>26</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95060</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "       id  duration       start_date           start_station_name  \\\n",
       "0  432191     383.0  8/30/2014 18:00  San Antonio Shopping Center   \n",
       "1    4576      63.0  8/29/2013 14:13     South Van Ness at Market   \n",
       "2    4607      70.0  8/29/2013 14:42           San Jose City Hall   \n",
       "3    4130      71.0  8/29/2013 10:16      Mountain View City Hall   \n",
       "4    4251      77.0  8/29/2013 11:29           San Jose City Hall   \n",
       "\n",
       "   start_station_id         end_date                       end_station_name  \\\n",
       "0                31  8/30/2014 18:07  Rengstorff Avenue / California Street   \n",
       "1                66  8/29/2013 14:14               South Van Ness at Market   \n",
       "2                10  8/29/2013 14:43                     San Jose City Hall   \n",
       "3                27  8/29/2013 10:17                Mountain View City Hall   \n",
       "4                10  8/29/2013 11:30                     San Jose City Hall   \n",
       "\n",
       "   end_station_id  bike_id subscription_type    zip_code  \n",
       "0              33      179        Subscriber  94040-1724  \n",
       "1              66      520        Subscriber         NaN  \n",
       "2              10      661        Subscriber       95138  \n",
       "3              27       48        Subscriber       97214  \n",
       "4              10       26        Subscriber       95060  "
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data[:5]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0           383.0\n",
       "1            63.0\n",
       "2            70.0\n",
       "3            71.0\n",
       "4            77.0\n",
       "5            83.0\n",
       "6           103.0\n",
       "7           109.0\n",
       "8           111.0\n",
       "9           113.0\n",
       "10          114.0\n",
       "11          125.0\n",
       "12          126.0\n",
       "13          129.0\n",
       "14          130.0\n",
       "15          134.0\n",
       "16          138.0\n",
       "17          141.0\n",
       "18          142.0\n",
       "19          142.0\n",
       "20          144.0\n",
       "21          146.0\n",
       "22          148.0\n",
       "23          151.0\n",
       "24          160.0\n",
       "25          161.0\n",
       "26          163.0\n",
       "27          165.0\n",
       "28          166.0\n",
       "29          168.0\n",
       "           ...   \n",
       "669929      518.0\n",
       "669930    23767.0\n",
       "669931    23783.0\n",
       "669932      661.0\n",
       "669933      321.0\n",
       "669934      437.0\n",
       "669935     7508.0\n",
       "669936     7503.0\n",
       "669937      314.0\n",
       "669938      419.0\n",
       "669939     1536.0\n",
       "669940     1545.0\n",
       "669941     1290.0\n",
       "669942      630.0\n",
       "669943      333.0\n",
       "669944     6937.0\n",
       "669945      450.0\n",
       "669946      161.0\n",
       "669947    17396.0\n",
       "669948    17297.0\n",
       "669949      169.0\n",
       "669950     5667.0\n",
       "669951      441.0\n",
       "669952      398.0\n",
       "669953      240.0\n",
       "669954      619.0\n",
       "669955     6712.0\n",
       "669956      538.0\n",
       "669957      568.0\n",
       "669958      569.0\n",
       "Name: duration, Length: 669959, dtype: float64"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data['duration']"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Subsetting with loc and iloc\n",
    "\n",
    "Used to slice rows and columns as per required **[row, column]**\n",
    "\n",
    "- loc is used to index using labels or integers - searches by index\n",
    "- iloc is used for index using integers - searches by position"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>id</th>\n",
       "      <th>duration</th>\n",
       "      <th>start_date</th>\n",
       "      <th>start_station_name</th>\n",
       "      <th>start_station_id</th>\n",
       "      <th>end_date</th>\n",
       "      <th>end_station_name</th>\n",
       "      <th>end_station_id</th>\n",
       "      <th>bike_id</th>\n",
       "      <th>subscription_type</th>\n",
       "      <th>zip_code</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>432191</td>\n",
       "      <td>383.0</td>\n",
       "      <td>8/30/2014 18:00</td>\n",
       "      <td>San Antonio Shopping Center</td>\n",
       "      <td>31</td>\n",
       "      <td>8/30/2014 18:07</td>\n",
       "      <td>Rengstorff Avenue / California Street</td>\n",
       "      <td>33</td>\n",
       "      <td>179</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94040-1724</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>4576</td>\n",
       "      <td>63.0</td>\n",
       "      <td>8/29/2013 14:13</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>8/29/2013 14:14</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>520</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>4607</td>\n",
       "      <td>70.0</td>\n",
       "      <td>8/29/2013 14:42</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>8/29/2013 14:43</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>661</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95138</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>4130</td>\n",
       "      <td>71.0</td>\n",
       "      <td>8/29/2013 10:16</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>8/29/2013 10:17</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>48</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>97214</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>4251</td>\n",
       "      <td>77.0</td>\n",
       "      <td>8/29/2013 11:29</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>8/29/2013 11:30</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>26</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95060</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "       id  duration       start_date           start_station_name  \\\n",
       "0  432191     383.0  8/30/2014 18:00  San Antonio Shopping Center   \n",
       "1    4576      63.0  8/29/2013 14:13     South Van Ness at Market   \n",
       "2    4607      70.0  8/29/2013 14:42           San Jose City Hall   \n",
       "3    4130      71.0  8/29/2013 10:16      Mountain View City Hall   \n",
       "4    4251      77.0  8/29/2013 11:29           San Jose City Hall   \n",
       "\n",
       "   start_station_id         end_date                       end_station_name  \\\n",
       "0                31  8/30/2014 18:07  Rengstorff Avenue / California Street   \n",
       "1                66  8/29/2013 14:14               South Van Ness at Market   \n",
       "2                10  8/29/2013 14:43                     San Jose City Hall   \n",
       "3                27  8/29/2013 10:17                Mountain View City Hall   \n",
       "4                10  8/29/2013 11:30                     San Jose City Hall   \n",
       "\n",
       "   end_station_id  bike_id subscription_type    zip_code  \n",
       "0              33      179        Subscriber  94040-1724  \n",
       "1              66      520        Subscriber         NaN  \n",
       "2              10      661        Subscriber       95138  \n",
       "3              27       48        Subscriber       97214  \n",
       "4              10       26        Subscriber       95060  "
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data.head()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "83.0"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data.loc[5,'duration']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "id                                        4299\n",
       "duration                                    83\n",
       "start_date                     8/29/2013 12:02\n",
       "start_station_name    South Van Ness at Market\n",
       "start_station_id                            66\n",
       "end_date                       8/29/2013 12:04\n",
       "end_station_name                Market at 10th\n",
       "end_station_id                              67\n",
       "bike_id                                    319\n",
       "subscription_type                   Subscriber\n",
       "zip_code                                 94103\n",
       "Name: 5, dtype: object"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data.loc[5]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "id                                        4299\n",
       "duration                                    83\n",
       "start_date                     8/29/2013 12:02\n",
       "start_station_name    South Van Ness at Market\n",
       "start_station_id                            66\n",
       "end_date                       8/29/2013 12:04\n",
       "end_station_name                Market at 10th\n",
       "end_station_id                              67\n",
       "bike_id                                    319\n",
       "subscription_type                   Subscriber\n",
       "zip_code                                 94103\n",
       "Name: 5, dtype: object"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data.iloc[5]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [],
   "source": [
    "trips_data.sort_values(['duration'], inplace=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
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       "    }\n",
       "\n",
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       "        text-align: right;\n",
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       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>id</th>\n",
       "      <th>duration</th>\n",
       "      <th>start_date</th>\n",
       "      <th>start_station_name</th>\n",
       "      <th>start_station_id</th>\n",
       "      <th>end_date</th>\n",
       "      <th>end_station_name</th>\n",
       "      <th>end_station_id</th>\n",
       "      <th>bike_id</th>\n",
       "      <th>subscription_type</th>\n",
       "      <th>zip_code</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>345157</th>\n",
       "      <td>874889</td>\n",
       "      <td>60.0</td>\n",
       "      <td>8/4/2015 9:57</td>\n",
       "      <td>San Francisco Caltrain 2 (330 Townsend)</td>\n",
       "      <td>69</td>\n",
       "      <td>8/4/2015 9:58</td>\n",
       "      <td>San Francisco Caltrain 2 (330 Townsend)</td>\n",
       "      <td>69</td>\n",
       "      <td>374</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94107</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>252114</th>\n",
       "      <td>284638</td>\n",
       "      <td>60.0</td>\n",
       "      <td>5/14/2014 20:11</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>5/14/2014 20:12</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>372</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94107</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>79740</th>\n",
       "      <td>110247</td>\n",
       "      <td>60.0</td>\n",
       "      <td>11/28/2013 9:52</td>\n",
       "      <td>2nd at Townsend</td>\n",
       "      <td>61</td>\n",
       "      <td>11/28/2013 9:53</td>\n",
       "      <td>2nd at Townsend</td>\n",
       "      <td>61</td>\n",
       "      <td>546</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94107</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>115726</th>\n",
       "      <td>160479</td>\n",
       "      <td>60.0</td>\n",
       "      <td>1/21/2014 13:01</td>\n",
       "      <td>2nd at Townsend</td>\n",
       "      <td>61</td>\n",
       "      <td>1/21/2014 13:02</td>\n",
       "      <td>2nd at Townsend</td>\n",
       "      <td>61</td>\n",
       "      <td>320</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94115</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>426791</th>\n",
       "      <td>768325</td>\n",
       "      <td>60.0</td>\n",
       "      <td>5/15/2015 8:58</td>\n",
       "      <td>Howard at 2nd</td>\n",
       "      <td>63</td>\n",
       "      <td>5/15/2015 8:59</td>\n",
       "      <td>2nd at South Park</td>\n",
       "      <td>64</td>\n",
       "      <td>602</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94702</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "            id  duration       start_date  \\\n",
       "345157  874889      60.0    8/4/2015 9:57   \n",
       "252114  284638      60.0  5/14/2014 20:11   \n",
       "79740   110247      60.0  11/28/2013 9:52   \n",
       "115726  160479      60.0  1/21/2014 13:01   \n",
       "426791  768325      60.0   5/15/2015 8:58   \n",
       "\n",
       "                             start_station_name  start_station_id  \\\n",
       "345157  San Francisco Caltrain 2 (330 Townsend)                69   \n",
       "252114                           Market at 10th                67   \n",
       "79740                           2nd at Townsend                61   \n",
       "115726                          2nd at Townsend                61   \n",
       "426791                            Howard at 2nd                63   \n",
       "\n",
       "               end_date                         end_station_name  \\\n",
       "345157    8/4/2015 9:58  San Francisco Caltrain 2 (330 Townsend)   \n",
       "252114  5/14/2014 20:12                           Market at 10th   \n",
       "79740   11/28/2013 9:53                          2nd at Townsend   \n",
       "115726  1/21/2014 13:02                          2nd at Townsend   \n",
       "426791   5/15/2015 8:59                        2nd at South Park   \n",
       "\n",
       "        end_station_id  bike_id subscription_type zip_code  \n",
       "345157              69      374        Subscriber    94107  \n",
       "252114              67      372        Subscriber    94107  \n",
       "79740               61      546        Subscriber    94107  \n",
       "115726              61      320        Subscriber    94115  \n",
       "426791              64      602        Subscriber    94702  "
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data.head()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "      <th>79740</th>\n",
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       "      <td>60.0</td>\n",
       "      <td>11/28/2013 9:52</td>\n",
       "      <td>2nd at Townsend</td>\n",
       "      <td>61</td>\n",
       "      <td>11/28/2013 9:53</td>\n",
       "      <td>2nd at Townsend</td>\n",
       "      <td>61</td>\n",
       "      <td>546</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94107</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>115726</th>\n",
       "      <td>160479</td>\n",
       "      <td>60.0</td>\n",
       "      <td>1/21/2014 13:01</td>\n",
       "      <td>2nd at Townsend</td>\n",
       "      <td>61</td>\n",
       "      <td>1/21/2014 13:02</td>\n",
       "      <td>2nd at Townsend</td>\n",
       "      <td>61</td>\n",
       "      <td>320</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94115</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>426791</th>\n",
       "      <td>768325</td>\n",
       "      <td>60.0</td>\n",
       "      <td>5/15/2015 8:58</td>\n",
       "      <td>Howard at 2nd</td>\n",
       "      <td>63</td>\n",
       "      <td>5/15/2015 8:59</td>\n",
       "      <td>2nd at South Park</td>\n",
       "      <td>64</td>\n",
       "      <td>602</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94702</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "            id  duration       start_date start_station_name  \\\n",
       "79740   110247      60.0  11/28/2013 9:52    2nd at Townsend   \n",
       "115726  160479      60.0  1/21/2014 13:01    2nd at Townsend   \n",
       "426791  768325      60.0   5/15/2015 8:58      Howard at 2nd   \n",
       "\n",
       "        start_station_id         end_date   end_station_name  end_station_id  \\\n",
       "79740                 61  11/28/2013 9:53    2nd at Townsend              61   \n",
       "115726                61  1/21/2014 13:02    2nd at Townsend              61   \n",
       "426791                63   5/15/2015 8:59  2nd at South Park              64   \n",
       "\n",
       "        bike_id subscription_type zip_code  \n",
       "79740       546        Subscriber    94107  \n",
       "115726      320        Subscriber    94115  \n",
       "426791      602        Subscriber    94702  "
      ]
     },
     "execution_count": 16,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data.iloc[2:5,:]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
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       "    .dataframe tbody tr th:only-of-type {\n",
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       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
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       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>id</th>\n",
       "      <th>duration</th>\n",
       "      <th>start_date</th>\n",
       "      <th>start_station_name</th>\n",
       "      <th>start_station_id</th>\n",
       "      <th>end_date</th>\n",
       "      <th>end_station_name</th>\n",
       "      <th>end_station_id</th>\n",
       "      <th>bike_id</th>\n",
       "      <th>subscription_type</th>\n",
       "      <th>zip_code</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>4607</td>\n",
       "      <td>70.0</td>\n",
       "      <td>8/29/2013 14:42</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>8/29/2013 14:43</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>661</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95138</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>580999</th>\n",
       "      <td>557603</td>\n",
       "      <td>70.0</td>\n",
       "      <td>11/25/2014 8:49</td>\n",
       "      <td>Temporary Transbay Terminal (Howard at Beale)</td>\n",
       "      <td>55</td>\n",
       "      <td>11/25/2014 8:50</td>\n",
       "      <td>Temporary Transbay Terminal (Howard at Beale)</td>\n",
       "      <td>55</td>\n",
       "      <td>491</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94610</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>40246</th>\n",
       "      <td>57900</td>\n",
       "      <td>70.0</td>\n",
       "      <td>10/14/2013 17:40</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>10/14/2013 17:41</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>619</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95128</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>173849</th>\n",
       "      <td>391511</td>\n",
       "      <td>70.0</td>\n",
       "      <td>8/2/2014 15:58</td>\n",
       "      <td>Commercial at Montgomery</td>\n",
       "      <td>45</td>\n",
       "      <td>8/2/2014 15:59</td>\n",
       "      <td>Clay at Battery</td>\n",
       "      <td>41</td>\n",
       "      <td>573</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94108</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>313783</th>\n",
       "      <td>201676</td>\n",
       "      <td>70.0</td>\n",
       "      <td>3/4/2014 18:07</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>3/4/2014 18:08</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>456</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94901</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>137449</th>\n",
       "      <td>189973</td>\n",
       "      <td>70.0</td>\n",
       "      <td>2/20/2014 6:57</td>\n",
       "      <td>San Jose Diridon Caltrain Station</td>\n",
       "      <td>2</td>\n",
       "      <td>2/20/2014 6:58</td>\n",
       "      <td>San Jose Diridon Caltrain Station</td>\n",
       "      <td>2</td>\n",
       "      <td>648</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95020</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>501800</th>\n",
       "      <td>666526</td>\n",
       "      <td>70.0</td>\n",
       "      <td>3/3/2015 21:35</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>3/3/2015 21:36</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>464</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94107</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>370896</th>\n",
       "      <td>841380</td>\n",
       "      <td>70.0</td>\n",
       "      <td>7/10/2015 14:02</td>\n",
       "      <td>Post at Kearny</td>\n",
       "      <td>47</td>\n",
       "      <td>7/10/2015 14:03</td>\n",
       "      <td>2nd at South Park</td>\n",
       "      <td>64</td>\n",
       "      <td>260</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94920</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>18713</th>\n",
       "      <td>29629</td>\n",
       "      <td>70.0</td>\n",
       "      <td>9/21/2013 1:57</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>9/21/2013 1:58</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>511</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>87673</th>\n",
       "      <td>121299</td>\n",
       "      <td>70.0</td>\n",
       "      <td>12/10/2013 22:40</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>12/10/2013 22:41</td>\n",
       "      <td>Howard at 2nd</td>\n",
       "      <td>63</td>\n",
       "      <td>326</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94108</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>278694</th>\n",
       "      <td>249352</td>\n",
       "      <td>70.0</td>\n",
       "      <td>4/15/2014 17:20</td>\n",
       "      <td>San Pedro Square</td>\n",
       "      <td>6</td>\n",
       "      <td>4/15/2014 17:21</td>\n",
       "      <td>San Pedro Square</td>\n",
       "      <td>6</td>\n",
       "      <td>257</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95377</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>597537</th>\n",
       "      <td>534156</td>\n",
       "      <td>70.0</td>\n",
       "      <td>11/7/2014 8:49</td>\n",
       "      <td>San Francisco Caltrain 2 (330 Townsend)</td>\n",
       "      <td>69</td>\n",
       "      <td>11/7/2014 8:50</td>\n",
       "      <td>San Francisco Caltrain 2 (330 Townsend)</td>\n",
       "      <td>69</td>\n",
       "      <td>329</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95112</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>653725</th>\n",
       "      <td>455199</td>\n",
       "      <td>70.0</td>\n",
       "      <td>9/16/2014 9:43</td>\n",
       "      <td>MLK Library</td>\n",
       "      <td>11</td>\n",
       "      <td>9/16/2014 9:44</td>\n",
       "      <td>MLK Library</td>\n",
       "      <td>11</td>\n",
       "      <td>180</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94107</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>281118</th>\n",
       "      <td>246114</td>\n",
       "      <td>70.0</td>\n",
       "      <td>4/12/2014 16:04</td>\n",
       "      <td>Mechanics Plaza (Market at Battery)</td>\n",
       "      <td>75</td>\n",
       "      <td>4/12/2014 16:06</td>\n",
       "      <td>Mechanics Plaza (Market at Battery)</td>\n",
       "      <td>75</td>\n",
       "      <td>372</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94102</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>89135</th>\n",
       "      <td>123335</td>\n",
       "      <td>70.0</td>\n",
       "      <td>12/12/2013 15:16</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>12/12/2013 15:18</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>608</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94107</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>556660</th>\n",
       "      <td>591858</td>\n",
       "      <td>70.0</td>\n",
       "      <td>1/5/2015 19:08</td>\n",
       "      <td>Clay at Battery</td>\n",
       "      <td>41</td>\n",
       "      <td>1/5/2015 19:09</td>\n",
       "      <td>Clay at Battery</td>\n",
       "      <td>41</td>\n",
       "      <td>611</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94025</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>123120</th>\n",
       "      <td>170510</td>\n",
       "      <td>70.0</td>\n",
       "      <td>1/29/2014 19:32</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>1/29/2014 19:33</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>332</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94133</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>354361</th>\n",
       "      <td>862855</td>\n",
       "      <td>70.0</td>\n",
       "      <td>7/27/2015 7:53</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>7/27/2015 7:54</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>374</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94025</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>591498</th>\n",
       "      <td>542774</td>\n",
       "      <td>70.0</td>\n",
       "      <td>11/13/2014 9:12</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>11/13/2014 9:13</td>\n",
       "      <td>San Francisco Caltrain 2 (330 Townsend)</td>\n",
       "      <td>69</td>\n",
       "      <td>265</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95136</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>30545</th>\n",
       "      <td>44997</td>\n",
       "      <td>70.0</td>\n",
       "      <td>10/3/2013 19:53</td>\n",
       "      <td>San Francisco Caltrain 2 (330 Townsend)</td>\n",
       "      <td>69</td>\n",
       "      <td>10/3/2013 19:54</td>\n",
       "      <td>San Francisco Caltrain 2 (330 Townsend)</td>\n",
       "      <td>69</td>\n",
       "      <td>537</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94611</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>221620</th>\n",
       "      <td>325463</td>\n",
       "      <td>70.0</td>\n",
       "      <td>6/16/2014 8:07</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>6/16/2014 8:08</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>528</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94402</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>28397</th>\n",
       "      <td>42287</td>\n",
       "      <td>70.0</td>\n",
       "      <td>10/1/2013 21:53</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>10/1/2013 21:54</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>356</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94111</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9254</th>\n",
       "      <td>17176</td>\n",
       "      <td>70.0</td>\n",
       "      <td>9/10/2013 19:36</td>\n",
       "      <td>Yerba Buena Center of the Arts (3rd @ Howard)</td>\n",
       "      <td>68</td>\n",
       "      <td>9/10/2013 19:38</td>\n",
       "      <td>Yerba Buena Center of the Arts (3rd @ Howard)</td>\n",
       "      <td>68</td>\n",
       "      <td>274</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94107</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>425917</th>\n",
       "      <td>769478</td>\n",
       "      <td>70.0</td>\n",
       "      <td>5/16/2015 2:08</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>5/16/2015 2:09</td>\n",
       "      <td>Howard at 2nd</td>\n",
       "      <td>63</td>\n",
       "      <td>322</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94105</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>208106</th>\n",
       "      <td>343771</td>\n",
       "      <td>70.0</td>\n",
       "      <td>6/29/2014 10:57</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>6/29/2014 10:59</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>520</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94043</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>655879</th>\n",
       "      <td>452285</td>\n",
       "      <td>70.0</td>\n",
       "      <td>9/14/2014 16:13</td>\n",
       "      <td>Embarcadero at Bryant</td>\n",
       "      <td>54</td>\n",
       "      <td>9/14/2014 16:14</td>\n",
       "      <td>Embarcadero at Bryant</td>\n",
       "      <td>54</td>\n",
       "      <td>545</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94111</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>317525</th>\n",
       "      <td>911156</td>\n",
       "      <td>70.0</td>\n",
       "      <td>8/29/2015 20:12</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>8/29/2015 20:14</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>564</td>\n",
       "      <td>Customer</td>\n",
       "      <td>44</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>497356</th>\n",
       "      <td>672861</td>\n",
       "      <td>70.0</td>\n",
       "      <td>3/8/2015 16:59</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>3/8/2015 17:00</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>575</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94010</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>642802</th>\n",
       "      <td>470640</td>\n",
       "      <td>70.0</td>\n",
       "      <td>9/26/2014 8:38</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>9/26/2014 8:39</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>292</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94133</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>563553</th>\n",
       "      <td>582391</td>\n",
       "      <td>70.0</td>\n",
       "      <td>12/21/2014 18:24</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>12/21/2014 18:26</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>429</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94107</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>624505</th>\n",
       "      <td>497235</td>\n",
       "      <td>83.0</td>\n",
       "      <td>10/14/2014 8:41</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>10/14/2014 8:42</td>\n",
       "      <td>Howard at 2nd</td>\n",
       "      <td>63</td>\n",
       "      <td>380</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94107</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>204586</th>\n",
       "      <td>348572</td>\n",
       "      <td>83.0</td>\n",
       "      <td>7/2/2014 15:30</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>7/2/2014 15:31</td>\n",
       "      <td>Howard at 2nd</td>\n",
       "      <td>63</td>\n",
       "      <td>332</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94611</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>91621</th>\n",
       "      <td>126975</td>\n",
       "      <td>83.0</td>\n",
       "      <td>12/16/2013 11:34</td>\n",
       "      <td>Adobe on Almaden</td>\n",
       "      <td>5</td>\n",
       "      <td>12/16/2013 11:36</td>\n",
       "      <td>Santa Clara at Almaden</td>\n",
       "      <td>4</td>\n",
       "      <td>21</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94002</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>60423</th>\n",
       "      <td>84559</td>\n",
       "      <td>83.0</td>\n",
       "      <td>11/5/2013 17:08</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>11/5/2013 17:10</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>347</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94618</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>235226</th>\n",
       "      <td>307285</td>\n",
       "      <td>83.0</td>\n",
       "      <td>6/2/2014 16:46</td>\n",
       "      <td>Beale at Market</td>\n",
       "      <td>56</td>\n",
       "      <td>6/2/2014 16:47</td>\n",
       "      <td>Temporary Transbay Terminal (Howard at Beale)</td>\n",
       "      <td>55</td>\n",
       "      <td>617</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94602</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>334591</th>\n",
       "      <td>888984</td>\n",
       "      <td>83.0</td>\n",
       "      <td>8/13/2015 17:21</td>\n",
       "      <td>San Salvador at 1st</td>\n",
       "      <td>8</td>\n",
       "      <td>8/13/2015 17:22</td>\n",
       "      <td>San Salvador at 1st</td>\n",
       "      <td>8</td>\n",
       "      <td>32</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95112</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>443646</th>\n",
       "      <td>745831</td>\n",
       "      <td>83.0</td>\n",
       "      <td>4/29/2015 11:54</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>4/29/2015 11:56</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>412</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94602</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>37467</th>\n",
       "      <td>54121</td>\n",
       "      <td>83.0</td>\n",
       "      <td>10/11/2013 9:38</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>10/11/2013 9:40</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>333</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94611</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>117461</th>\n",
       "      <td>162797</td>\n",
       "      <td>83.0</td>\n",
       "      <td>1/23/2014 8:07</td>\n",
       "      <td>2nd at South Park</td>\n",
       "      <td>64</td>\n",
       "      <td>1/23/2014 8:09</td>\n",
       "      <td>2nd at South Park</td>\n",
       "      <td>64</td>\n",
       "      <td>520</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94107</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>281887</th>\n",
       "      <td>245115</td>\n",
       "      <td>83.0</td>\n",
       "      <td>4/11/2014 14:29</td>\n",
       "      <td>Spear at Folsom</td>\n",
       "      <td>49</td>\n",
       "      <td>4/11/2014 14:31</td>\n",
       "      <td>Embarcadero at Bryant</td>\n",
       "      <td>54</td>\n",
       "      <td>328</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94707</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>181480</th>\n",
       "      <td>380912</td>\n",
       "      <td>83.0</td>\n",
       "      <td>7/25/2014 21:28</td>\n",
       "      <td>Castro Street and El Camino Real</td>\n",
       "      <td>32</td>\n",
       "      <td>7/25/2014 21:30</td>\n",
       "      <td>Castro Street and El Camino Real</td>\n",
       "      <td>32</td>\n",
       "      <td>155</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>612631</th>\n",
       "      <td>513458</td>\n",
       "      <td>83.0</td>\n",
       "      <td>10/24/2014 8:50</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>10/24/2014 8:51</td>\n",
       "      <td>Howard at 2nd</td>\n",
       "      <td>63</td>\n",
       "      <td>569</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94107</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>362716</th>\n",
       "      <td>851965</td>\n",
       "      <td>83.0</td>\n",
       "      <td>7/17/2015 21:17</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>7/17/2015 21:19</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>501</td>\n",
       "      <td>Customer</td>\n",
       "      <td>84020</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>624601</th>\n",
       "      <td>497112</td>\n",
       "      <td>83.0</td>\n",
       "      <td>10/14/2014 8:09</td>\n",
       "      <td>2nd at Townsend</td>\n",
       "      <td>61</td>\n",
       "      <td>10/14/2014 8:11</td>\n",
       "      <td>2nd at South Park</td>\n",
       "      <td>64</td>\n",
       "      <td>498</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94107</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>413541</th>\n",
       "      <td>785921</td>\n",
       "      <td>83.0</td>\n",
       "      <td>5/29/2015 10:21</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>5/29/2015 10:22</td>\n",
       "      <td>2nd at South Park</td>\n",
       "      <td>64</td>\n",
       "      <td>33</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94602</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>572601</th>\n",
       "      <td>569804</td>\n",
       "      <td>83.0</td>\n",
       "      <td>12/8/2014 13:15</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>12/8/2014 13:16</td>\n",
       "      <td>Howard at 2nd</td>\n",
       "      <td>63</td>\n",
       "      <td>601</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94117</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>339369</th>\n",
       "      <td>882647</td>\n",
       "      <td>83.0</td>\n",
       "      <td>8/10/2015 8:52</td>\n",
       "      <td>Spear at Folsom</td>\n",
       "      <td>49</td>\n",
       "      <td>8/10/2015 8:54</td>\n",
       "      <td>Spear at Folsom</td>\n",
       "      <td>49</td>\n",
       "      <td>111</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94608</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>249742</th>\n",
       "      <td>287774</td>\n",
       "      <td>83.0</td>\n",
       "      <td>5/16/2014 19:55</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>5/16/2014 19:56</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>607</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>260934</th>\n",
       "      <td>272809</td>\n",
       "      <td>83.0</td>\n",
       "      <td>5/5/2014 18:57</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>5/5/2014 18:58</td>\n",
       "      <td>Howard at 2nd</td>\n",
       "      <td>63</td>\n",
       "      <td>513</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94611</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>299318</th>\n",
       "      <td>221622</td>\n",
       "      <td>83.0</td>\n",
       "      <td>3/20/2014 16:37</td>\n",
       "      <td>Beale at Market</td>\n",
       "      <td>56</td>\n",
       "      <td>3/20/2014 16:38</td>\n",
       "      <td>Temporary Transbay Terminal (Howard at Beale)</td>\n",
       "      <td>55</td>\n",
       "      <td>557</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94602</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>55004</th>\n",
       "      <td>77486</td>\n",
       "      <td>83.0</td>\n",
       "      <td>10/30/2013 17:21</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>10/30/2013 17:23</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>627</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94618</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>102095</th>\n",
       "      <td>141704</td>\n",
       "      <td>83.0</td>\n",
       "      <td>1/3/2014 13:48</td>\n",
       "      <td>Beale at Market</td>\n",
       "      <td>56</td>\n",
       "      <td>1/3/2014 13:49</td>\n",
       "      <td>Temporary Transbay Terminal (Howard at Beale)</td>\n",
       "      <td>55</td>\n",
       "      <td>630</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94105</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>47760</th>\n",
       "      <td>67941</td>\n",
       "      <td>83.0</td>\n",
       "      <td>10/22/2013 14:03</td>\n",
       "      <td>Yerba Buena Center of the Arts (3rd @ Howard)</td>\n",
       "      <td>68</td>\n",
       "      <td>10/22/2013 14:05</td>\n",
       "      <td>Yerba Buena Center of the Arts (3rd @ Howard)</td>\n",
       "      <td>68</td>\n",
       "      <td>326</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94114</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>486550</th>\n",
       "      <td>688213</td>\n",
       "      <td>83.0</td>\n",
       "      <td>3/18/2015 19:36</td>\n",
       "      <td>Broadway St at Battery St</td>\n",
       "      <td>82</td>\n",
       "      <td>3/18/2015 19:38</td>\n",
       "      <td>Clay at Battery</td>\n",
       "      <td>41</td>\n",
       "      <td>625</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94107</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>278776</th>\n",
       "      <td>249252</td>\n",
       "      <td>83.0</td>\n",
       "      <td>4/15/2014 16:48</td>\n",
       "      <td>Beale at Market</td>\n",
       "      <td>56</td>\n",
       "      <td>4/15/2014 16:49</td>\n",
       "      <td>Temporary Transbay Terminal (Howard at Beale)</td>\n",
       "      <td>55</td>\n",
       "      <td>408</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94602</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>201147</th>\n",
       "      <td>353342</td>\n",
       "      <td>83.0</td>\n",
       "      <td>7/7/2014 16:48</td>\n",
       "      <td>Beale at Market</td>\n",
       "      <td>56</td>\n",
       "      <td>7/7/2014 16:49</td>\n",
       "      <td>Temporary Transbay Terminal (Howard at Beale)</td>\n",
       "      <td>55</td>\n",
       "      <td>466</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94602</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>545299</th>\n",
       "      <td>606952</td>\n",
       "      <td>83.0</td>\n",
       "      <td>1/16/2015 9:24</td>\n",
       "      <td>Broadway St at Battery St</td>\n",
       "      <td>82</td>\n",
       "      <td>1/16/2015 9:25</td>\n",
       "      <td>Davis at Jackson</td>\n",
       "      <td>42</td>\n",
       "      <td>608</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94107</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>643672</th>\n",
       "      <td>469393</td>\n",
       "      <td>83.0</td>\n",
       "      <td>9/25/2014 13:07</td>\n",
       "      <td>Commercial at Montgomery</td>\n",
       "      <td>45</td>\n",
       "      <td>9/25/2014 13:09</td>\n",
       "      <td>Commercial at Montgomery</td>\n",
       "      <td>45</td>\n",
       "      <td>283</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94703</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>632925</th>\n",
       "      <td>484835</td>\n",
       "      <td>83.0</td>\n",
       "      <td>10/6/2014 12:30</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>10/6/2014 12:31</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>447</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94112</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>4299</td>\n",
       "      <td>83.0</td>\n",
       "      <td>8/29/2013 12:02</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>8/29/2013 12:04</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>319</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94103</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>773 rows × 11 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "            id  duration        start_date  \\\n",
       "2         4607      70.0   8/29/2013 14:42   \n",
       "580999  557603      70.0   11/25/2014 8:49   \n",
       "40246    57900      70.0  10/14/2013 17:40   \n",
       "173849  391511      70.0    8/2/2014 15:58   \n",
       "313783  201676      70.0    3/4/2014 18:07   \n",
       "137449  189973      70.0    2/20/2014 6:57   \n",
       "501800  666526      70.0    3/3/2015 21:35   \n",
       "370896  841380      70.0   7/10/2015 14:02   \n",
       "18713    29629      70.0    9/21/2013 1:57   \n",
       "87673   121299      70.0  12/10/2013 22:40   \n",
       "278694  249352      70.0   4/15/2014 17:20   \n",
       "597537  534156      70.0    11/7/2014 8:49   \n",
       "653725  455199      70.0    9/16/2014 9:43   \n",
       "281118  246114      70.0   4/12/2014 16:04   \n",
       "89135   123335      70.0  12/12/2013 15:16   \n",
       "556660  591858      70.0    1/5/2015 19:08   \n",
       "123120  170510      70.0   1/29/2014 19:32   \n",
       "354361  862855      70.0    7/27/2015 7:53   \n",
       "591498  542774      70.0   11/13/2014 9:12   \n",
       "30545    44997      70.0   10/3/2013 19:53   \n",
       "221620  325463      70.0    6/16/2014 8:07   \n",
       "28397    42287      70.0   10/1/2013 21:53   \n",
       "9254     17176      70.0   9/10/2013 19:36   \n",
       "425917  769478      70.0    5/16/2015 2:08   \n",
       "208106  343771      70.0   6/29/2014 10:57   \n",
       "655879  452285      70.0   9/14/2014 16:13   \n",
       "317525  911156      70.0   8/29/2015 20:12   \n",
       "497356  672861      70.0    3/8/2015 16:59   \n",
       "642802  470640      70.0    9/26/2014 8:38   \n",
       "563553  582391      70.0  12/21/2014 18:24   \n",
       "...        ...       ...               ...   \n",
       "624505  497235      83.0   10/14/2014 8:41   \n",
       "204586  348572      83.0    7/2/2014 15:30   \n",
       "91621   126975      83.0  12/16/2013 11:34   \n",
       "60423    84559      83.0   11/5/2013 17:08   \n",
       "235226  307285      83.0    6/2/2014 16:46   \n",
       "334591  888984      83.0   8/13/2015 17:21   \n",
       "443646  745831      83.0   4/29/2015 11:54   \n",
       "37467    54121      83.0   10/11/2013 9:38   \n",
       "117461  162797      83.0    1/23/2014 8:07   \n",
       "281887  245115      83.0   4/11/2014 14:29   \n",
       "181480  380912      83.0   7/25/2014 21:28   \n",
       "612631  513458      83.0   10/24/2014 8:50   \n",
       "362716  851965      83.0   7/17/2015 21:17   \n",
       "624601  497112      83.0   10/14/2014 8:09   \n",
       "413541  785921      83.0   5/29/2015 10:21   \n",
       "572601  569804      83.0   12/8/2014 13:15   \n",
       "339369  882647      83.0    8/10/2015 8:52   \n",
       "249742  287774      83.0   5/16/2014 19:55   \n",
       "260934  272809      83.0    5/5/2014 18:57   \n",
       "299318  221622      83.0   3/20/2014 16:37   \n",
       "55004    77486      83.0  10/30/2013 17:21   \n",
       "102095  141704      83.0    1/3/2014 13:48   \n",
       "47760    67941      83.0  10/22/2013 14:03   \n",
       "486550  688213      83.0   3/18/2015 19:36   \n",
       "278776  249252      83.0   4/15/2014 16:48   \n",
       "201147  353342      83.0    7/7/2014 16:48   \n",
       "545299  606952      83.0    1/16/2015 9:24   \n",
       "643672  469393      83.0   9/25/2014 13:07   \n",
       "632925  484835      83.0   10/6/2014 12:30   \n",
       "5         4299      83.0   8/29/2013 12:02   \n",
       "\n",
       "                                   start_station_name  start_station_id  \\\n",
       "2                                  San Jose City Hall                10   \n",
       "580999  Temporary Transbay Terminal (Howard at Beale)                55   \n",
       "40246                                 Townsend at 7th                65   \n",
       "173849                       Commercial at Montgomery                45   \n",
       "313783                                Townsend at 7th                65   \n",
       "137449              San Jose Diridon Caltrain Station                 2   \n",
       "501800           Harry Bridges Plaza (Ferry Building)                50   \n",
       "370896                                 Post at Kearny                47   \n",
       "18713                   Powell at Post (Union Square)                71   \n",
       "87673                                   2nd at Folsom                62   \n",
       "278694                               San Pedro Square                 6   \n",
       "597537        San Francisco Caltrain 2 (330 Townsend)                69   \n",
       "653725                                    MLK Library                11   \n",
       "281118            Mechanics Plaza (Market at Battery)                75   \n",
       "89135        San Francisco Caltrain (Townsend at 4th)                70   \n",
       "556660                                Clay at Battery                41   \n",
       "123120                                  2nd at Folsom                62   \n",
       "354361       San Francisco Caltrain (Townsend at 4th)                70   \n",
       "591498       San Francisco Caltrain (Townsend at 4th)                70   \n",
       "30545         San Francisco Caltrain 2 (330 Townsend)                69   \n",
       "221620       San Francisco Caltrain (Townsend at 4th)                70   \n",
       "28397                          Embarcadero at Sansome                60   \n",
       "9254    Yerba Buena Center of the Arts (3rd @ Howard)                68   \n",
       "425917                                  2nd at Folsom                62   \n",
       "208106                                Townsend at 7th                65   \n",
       "655879                          Embarcadero at Bryant                54   \n",
       "317525                       South Van Ness at Market                66   \n",
       "497356                                 Market at 10th                67   \n",
       "642802                         Embarcadero at Sansome                60   \n",
       "563553                                Townsend at 7th                65   \n",
       "...                                               ...               ...   \n",
       "624505                                  2nd at Folsom                62   \n",
       "204586                                  2nd at Folsom                62   \n",
       "91621                                Adobe on Almaden                 5   \n",
       "60423                        South Van Ness at Market                66   \n",
       "235226                                Beale at Market                56   \n",
       "334591                            San Salvador at 1st                 8   \n",
       "443646                             Powell Street BART                39   \n",
       "37467                                 Townsend at 7th                65   \n",
       "117461                              2nd at South Park                64   \n",
       "281887                                Spear at Folsom                49   \n",
       "181480               Castro Street and El Camino Real                32   \n",
       "612631                                  2nd at Folsom                62   \n",
       "362716           Harry Bridges Plaza (Ferry Building)                50   \n",
       "624601                                2nd at Townsend                61   \n",
       "413541                              Market at Sansome                77   \n",
       "572601                                  2nd at Folsom                62   \n",
       "339369                                Spear at Folsom                49   \n",
       "249742                         Embarcadero at Sansome                60   \n",
       "260934                                  2nd at Folsom                62   \n",
       "299318                                Beale at Market                56   \n",
       "55004                        South Van Ness at Market                66   \n",
       "102095                                Beale at Market                56   \n",
       "47760   Yerba Buena Center of the Arts (3rd @ Howard)                68   \n",
       "486550                      Broadway St at Battery St                82   \n",
       "278776                                Beale at Market                56   \n",
       "201147                                Beale at Market                56   \n",
       "545299                      Broadway St at Battery St                82   \n",
       "643672                       Commercial at Montgomery                45   \n",
       "632925                              Market at Sansome                77   \n",
       "5                            South Van Ness at Market                66   \n",
       "\n",
       "                end_date                               end_station_name  \\\n",
       "2        8/29/2013 14:43                             San Jose City Hall   \n",
       "580999   11/25/2014 8:50  Temporary Transbay Terminal (Howard at Beale)   \n",
       "40246   10/14/2013 17:41                                Townsend at 7th   \n",
       "173849    8/2/2014 15:59                                Clay at Battery   \n",
       "313783    3/4/2014 18:08                                Townsend at 7th   \n",
       "137449    2/20/2014 6:58              San Jose Diridon Caltrain Station   \n",
       "501800    3/3/2015 21:36           Harry Bridges Plaza (Ferry Building)   \n",
       "370896   7/10/2015 14:03                              2nd at South Park   \n",
       "18713     9/21/2013 1:58                  Powell at Post (Union Square)   \n",
       "87673   12/10/2013 22:41                                  Howard at 2nd   \n",
       "278694   4/15/2014 17:21                               San Pedro Square   \n",
       "597537    11/7/2014 8:50        San Francisco Caltrain 2 (330 Townsend)   \n",
       "653725    9/16/2014 9:44                                    MLK Library   \n",
       "281118   4/12/2014 16:06            Mechanics Plaza (Market at Battery)   \n",
       "89135   12/12/2013 15:18       San Francisco Caltrain (Townsend at 4th)   \n",
       "556660    1/5/2015 19:09                                Clay at Battery   \n",
       "123120   1/29/2014 19:33                                  2nd at Folsom   \n",
       "354361    7/27/2015 7:54       San Francisco Caltrain (Townsend at 4th)   \n",
       "591498   11/13/2014 9:13        San Francisco Caltrain 2 (330 Townsend)   \n",
       "30545    10/3/2013 19:54        San Francisco Caltrain 2 (330 Townsend)   \n",
       "221620    6/16/2014 8:08       San Francisco Caltrain (Townsend at 4th)   \n",
       "28397    10/1/2013 21:54                         Embarcadero at Sansome   \n",
       "9254     9/10/2013 19:38  Yerba Buena Center of the Arts (3rd @ Howard)   \n",
       "425917    5/16/2015 2:09                                  Howard at 2nd   \n",
       "208106   6/29/2014 10:59                                Townsend at 7th   \n",
       "655879   9/14/2014 16:14                          Embarcadero at Bryant   \n",
       "317525   8/29/2015 20:14                       South Van Ness at Market   \n",
       "497356    3/8/2015 17:00                                 Market at 10th   \n",
       "642802    9/26/2014 8:39                         Embarcadero at Sansome   \n",
       "563553  12/21/2014 18:26                                Townsend at 7th   \n",
       "...                  ...                                            ...   \n",
       "624505   10/14/2014 8:42                                  Howard at 2nd   \n",
       "204586    7/2/2014 15:31                                  Howard at 2nd   \n",
       "91621   12/16/2013 11:36                         Santa Clara at Almaden   \n",
       "60423    11/5/2013 17:10                                 Market at 10th   \n",
       "235226    6/2/2014 16:47  Temporary Transbay Terminal (Howard at Beale)   \n",
       "334591   8/13/2015 17:22                            San Salvador at 1st   \n",
       "443646   4/29/2015 11:56                                  Market at 4th   \n",
       "37467    10/11/2013 9:40                                Townsend at 7th   \n",
       "117461    1/23/2014 8:09                              2nd at South Park   \n",
       "281887   4/11/2014 14:31                          Embarcadero at Bryant   \n",
       "181480   7/25/2014 21:30               Castro Street and El Camino Real   \n",
       "612631   10/24/2014 8:51                                  Howard at 2nd   \n",
       "362716   7/17/2015 21:19           Harry Bridges Plaza (Ferry Building)   \n",
       "624601   10/14/2014 8:11                              2nd at South Park   \n",
       "413541   5/29/2015 10:22                              2nd at South Park   \n",
       "572601   12/8/2014 13:16                                  Howard at 2nd   \n",
       "339369    8/10/2015 8:54                                Spear at Folsom   \n",
       "249742   5/16/2014 19:56                         Embarcadero at Sansome   \n",
       "260934    5/5/2014 18:58                                  Howard at 2nd   \n",
       "299318   3/20/2014 16:38  Temporary Transbay Terminal (Howard at Beale)   \n",
       "55004   10/30/2013 17:23                                 Market at 10th   \n",
       "102095    1/3/2014 13:49  Temporary Transbay Terminal (Howard at Beale)   \n",
       "47760   10/22/2013 14:05  Yerba Buena Center of the Arts (3rd @ Howard)   \n",
       "486550   3/18/2015 19:38                                Clay at Battery   \n",
       "278776   4/15/2014 16:49  Temporary Transbay Terminal (Howard at Beale)   \n",
       "201147    7/7/2014 16:49  Temporary Transbay Terminal (Howard at Beale)   \n",
       "545299    1/16/2015 9:25                               Davis at Jackson   \n",
       "643672   9/25/2014 13:09                       Commercial at Montgomery   \n",
       "632925   10/6/2014 12:31                              Market at Sansome   \n",
       "5        8/29/2013 12:04                                 Market at 10th   \n",
       "\n",
       "        end_station_id  bike_id subscription_type zip_code  \n",
       "2                   10      661        Subscriber    95138  \n",
       "580999              55      491        Subscriber    94610  \n",
       "40246               65      619        Subscriber    95128  \n",
       "173849              41      573        Subscriber    94108  \n",
       "313783              65      456        Subscriber    94901  \n",
       "137449               2      648        Subscriber    95020  \n",
       "501800              50      464        Subscriber    94107  \n",
       "370896              64      260        Subscriber    94920  \n",
       "18713               71      511        Subscriber      NaN  \n",
       "87673               63      326        Subscriber    94108  \n",
       "278694               6      257        Subscriber    95377  \n",
       "597537              69      329        Subscriber    95112  \n",
       "653725              11      180        Subscriber    94107  \n",
       "281118              75      372        Subscriber    94102  \n",
       "89135               70      608        Subscriber    94107  \n",
       "556660              41      611        Subscriber    94025  \n",
       "123120              62      332        Subscriber    94133  \n",
       "354361              70      374        Subscriber    94025  \n",
       "591498              69      265        Subscriber    95136  \n",
       "30545               69      537        Subscriber    94611  \n",
       "221620              70      528        Subscriber    94402  \n",
       "28397               60      356        Subscriber    94111  \n",
       "9254                68      274        Subscriber    94107  \n",
       "425917              63      322        Subscriber    94105  \n",
       "208106              65      520        Subscriber    94043  \n",
       "655879              54      545        Subscriber    94111  \n",
       "317525              66      564          Customer       44  \n",
       "497356              67      575          Customer    94010  \n",
       "642802              60      292        Subscriber    94133  \n",
       "563553              65      429        Subscriber    94107  \n",
       "...                ...      ...               ...      ...  \n",
       "624505              63      380        Subscriber    94107  \n",
       "204586              63      332        Subscriber    94611  \n",
       "91621                4       21        Subscriber    94002  \n",
       "60423               67      347        Subscriber    94618  \n",
       "235226              55      617        Subscriber    94602  \n",
       "334591               8       32        Subscriber    95112  \n",
       "443646              76      412        Subscriber    94602  \n",
       "37467               65      333        Subscriber    94611  \n",
       "117461              64      520        Subscriber    94107  \n",
       "281887              54      328        Subscriber    94707  \n",
       "181480              32      155          Customer      nil  \n",
       "612631              63      569        Subscriber    94107  \n",
       "362716              50      501          Customer    84020  \n",
       "624601              64      498        Subscriber    94107  \n",
       "413541              64       33        Subscriber    94602  \n",
       "572601              63      601        Subscriber    94117  \n",
       "339369              49      111        Subscriber    94608  \n",
       "249742              60      607          Customer      nil  \n",
       "260934              63      513        Subscriber    94611  \n",
       "299318              55      557        Subscriber    94602  \n",
       "55004               67      627        Subscriber    94618  \n",
       "102095              55      630        Subscriber    94105  \n",
       "47760               68      326        Subscriber    94114  \n",
       "486550              41      625        Subscriber    94107  \n",
       "278776              55      408        Subscriber    94602  \n",
       "201147              55      466        Subscriber    94602  \n",
       "545299              42      608        Subscriber    94107  \n",
       "643672              45      283        Subscriber    94703  \n",
       "632925              77      447        Subscriber    94112  \n",
       "5                   67      319        Subscriber    94103  \n",
       "\n",
       "[773 rows x 11 columns]"
      ]
     },
     "execution_count": 17,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data.loc[2:5,:]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [],
   "source": [
    "trips_data.sort_index(inplace=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2    95138\n",
       "3    97214\n",
       "4    95060\n",
       "5    94103\n",
       "6    94109\n",
       "7    95112\n",
       "8    95112\n",
       "Name: zip_code, dtype: object"
      ]
     },
     "execution_count": 19,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data.loc[2:8,'zip_code']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
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       "\n",
       "    .dataframe tbody tr th {\n",
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       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>bike_id</th>\n",
       "      <th>zip_code</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>661</td>\n",
       "      <td>95138</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>48</td>\n",
       "      <td>97214</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>26</td>\n",
       "      <td>95060</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>319</td>\n",
       "      <td>94103</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>527</td>\n",
       "      <td>94109</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>679</td>\n",
       "      <td>95112</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>687</td>\n",
       "      <td>95112</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   bike_id zip_code\n",
       "2      661    95138\n",
       "3       48    97214\n",
       "4       26    95060\n",
       "5      319    94103\n",
       "6      527    94109\n",
       "7      679    95112\n",
       "8      687    95112"
      ]
     },
     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data.loc[2:8, ['bike_id', 'zip_code']] "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>bike_id</th>\n",
       "      <th>zip_code</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>661</td>\n",
       "      <td>95138</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>48</td>\n",
       "      <td>97214</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>26</td>\n",
       "      <td>95060</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>319</td>\n",
       "      <td>94103</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>527</td>\n",
       "      <td>94109</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>679</td>\n",
       "      <td>95112</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>687</td>\n",
       "      <td>95112</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   bike_id zip_code\n",
       "2      661    95138\n",
       "3       48    97214\n",
       "4       26    95060\n",
       "5      319    94103\n",
       "6      527    94109\n",
       "7      679    95112\n",
       "8      687    95112"
      ]
     },
     "execution_count": 21,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data.loc[2:8][['bike_id', 'zip_code']]"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Subsetting with condition"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Often we need to select data which satisfies the specific condition. \n",
    "\n",
    "operators used for conditions\n",
    "- **==** equal to\n",
    "- **!=** not equal to\n",
    "- **>=** greater than equal to \n",
    "- **<=** less than equal to\n",
    "- **~** negation\n",
    "\n",
    "Can pass multiple condition with & (and) , | (or)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0         False\n",
       "1         False\n",
       "2         False\n",
       "3         False\n",
       "4         False\n",
       "5         False\n",
       "6         False\n",
       "7         False\n",
       "8         False\n",
       "9         False\n",
       "10        False\n",
       "11        False\n",
       "12        False\n",
       "13        False\n",
       "14        False\n",
       "15        False\n",
       "16        False\n",
       "17        False\n",
       "18        False\n",
       "19        False\n",
       "20        False\n",
       "21        False\n",
       "22        False\n",
       "23        False\n",
       "24        False\n",
       "25         True\n",
       "26        False\n",
       "27        False\n",
       "28        False\n",
       "29        False\n",
       "          ...  \n",
       "669929    False\n",
       "669930     True\n",
       "669931     True\n",
       "669932    False\n",
       "669933    False\n",
       "669934    False\n",
       "669935     True\n",
       "669936     True\n",
       "669937    False\n",
       "669938     True\n",
       "669939     True\n",
       "669940     True\n",
       "669941    False\n",
       "669942    False\n",
       "669943    False\n",
       "669944     True\n",
       "669945    False\n",
       "669946    False\n",
       "669947     True\n",
       "669948     True\n",
       "669949    False\n",
       "669950     True\n",
       "669951    False\n",
       "669952    False\n",
       "669953    False\n",
       "669954    False\n",
       "669955     True\n",
       "669956     True\n",
       "669957     True\n",
       "669958     True\n",
       "Name: subscription_type, Length: 669959, dtype: bool"
      ]
     },
     "execution_count": 22,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data['subscription_type']=='Customer'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>id</th>\n",
       "      <th>duration</th>\n",
       "      <th>start_date</th>\n",
       "      <th>start_station_name</th>\n",
       "      <th>start_station_id</th>\n",
       "      <th>end_date</th>\n",
       "      <th>end_station_name</th>\n",
       "      <th>end_station_id</th>\n",
       "      <th>bike_id</th>\n",
       "      <th>subscription_type</th>\n",
       "      <th>zip_code</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>25</th>\n",
       "      <td>4168</td>\n",
       "      <td>161.0</td>\n",
       "      <td>8/29/2013 10:56</td>\n",
       "      <td>Beale at Market</td>\n",
       "      <td>56</td>\n",
       "      <td>8/29/2013 10:59</td>\n",
       "      <td>Steuart at Market</td>\n",
       "      <td>74</td>\n",
       "      <td>414</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94117</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>31</th>\n",
       "      <td>4276</td>\n",
       "      <td>173.0</td>\n",
       "      <td>8/29/2013 11:45</td>\n",
       "      <td>2nd at Townsend</td>\n",
       "      <td>61</td>\n",
       "      <td>8/29/2013 11:48</td>\n",
       "      <td>2nd at South Park</td>\n",
       "      <td>64</td>\n",
       "      <td>280</td>\n",
       "      <td>Customer</td>\n",
       "      <td>95819</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>42</th>\n",
       "      <td>4944</td>\n",
       "      <td>188.0</td>\n",
       "      <td>8/29/2013 19:06</td>\n",
       "      <td>Clay at Battery</td>\n",
       "      <td>41</td>\n",
       "      <td>8/29/2013 19:10</td>\n",
       "      <td>Washington at Kearney</td>\n",
       "      <td>46</td>\n",
       "      <td>502</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94612</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>49</th>\n",
       "      <td>4854</td>\n",
       "      <td>209.0</td>\n",
       "      <td>8/29/2013 17:57</td>\n",
       "      <td>Yerba Buena Center of the Arts (3rd @ Howard)</td>\n",
       "      <td>68</td>\n",
       "      <td>8/29/2013 18:00</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>348</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94158</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>52</th>\n",
       "      <td>4855</td>\n",
       "      <td>214.0</td>\n",
       "      <td>8/29/2013 17:57</td>\n",
       "      <td>Yerba Buena Center of the Arts (3rd @ Howard)</td>\n",
       "      <td>68</td>\n",
       "      <td>8/29/2013 18:00</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>334</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94158</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>62</th>\n",
       "      <td>5001</td>\n",
       "      <td>236.0</td>\n",
       "      <td>8/29/2013 20:00</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>8/29/2013 20:04</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>567</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94608</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>74</th>\n",
       "      <td>4443</td>\n",
       "      <td>245.0</td>\n",
       "      <td>8/29/2013 12:56</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>8/29/2013 13:00</td>\n",
       "      <td>Steuart at Market</td>\n",
       "      <td>74</td>\n",
       "      <td>436</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94960</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>75</th>\n",
       "      <td>5105</td>\n",
       "      <td>245.0</td>\n",
       "      <td>8/29/2013 23:12</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>8/29/2013 23:16</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>348</td>\n",
       "      <td>Customer</td>\n",
       "      <td>37206</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>81</th>\n",
       "      <td>4599</td>\n",
       "      <td>265.0</td>\n",
       "      <td>8/29/2013 14:31</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>8/29/2013 14:35</td>\n",
       "      <td>Davis at Jackson</td>\n",
       "      <td>42</td>\n",
       "      <td>425</td>\n",
       "      <td>Customer</td>\n",
       "      <td>2360</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83</th>\n",
       "      <td>4870</td>\n",
       "      <td>266.0</td>\n",
       "      <td>8/29/2013 18:06</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>8/29/2013 18:10</td>\n",
       "      <td>Beale at Market</td>\n",
       "      <td>56</td>\n",
       "      <td>626</td>\n",
       "      <td>Customer</td>\n",
       "      <td>43214</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>84</th>\n",
       "      <td>4743</td>\n",
       "      <td>267.0</td>\n",
       "      <td>8/29/2013 16:51</td>\n",
       "      <td>Evelyn Park and Ride</td>\n",
       "      <td>30</td>\n",
       "      <td>8/29/2013 16:55</td>\n",
       "      <td>Mountain View Caltrain Station</td>\n",
       "      <td>28</td>\n",
       "      <td>54</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94107</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>87</th>\n",
       "      <td>4686</td>\n",
       "      <td>273.0</td>\n",
       "      <td>8/29/2013 15:59</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>8/29/2013 16:03</td>\n",
       "      <td>Temporary Transbay Terminal (Howard at Beale)</td>\n",
       "      <td>55</td>\n",
       "      <td>624</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>88</th>\n",
       "      <td>4906</td>\n",
       "      <td>277.0</td>\n",
       "      <td>8/29/2013 18:28</td>\n",
       "      <td>University and Emerson</td>\n",
       "      <td>35</td>\n",
       "      <td>8/29/2013 18:33</td>\n",
       "      <td>Cowper at University</td>\n",
       "      <td>37</td>\n",
       "      <td>93</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94303</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>92</th>\n",
       "      <td>4084</td>\n",
       "      <td>287.0</td>\n",
       "      <td>8/29/2013 9:41</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>8/29/2013 9:46</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>138</td>\n",
       "      <td>Customer</td>\n",
       "      <td>97214</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>93</th>\n",
       "      <td>4595</td>\n",
       "      <td>288.0</td>\n",
       "      <td>8/29/2013 14:31</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>8/29/2013 14:36</td>\n",
       "      <td>Davis at Jackson</td>\n",
       "      <td>42</td>\n",
       "      <td>356</td>\n",
       "      <td>Customer</td>\n",
       "      <td>1719</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>96</th>\n",
       "      <td>4959</td>\n",
       "      <td>292.0</td>\n",
       "      <td>8/29/2013 19:18</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>8/29/2013 19:23</td>\n",
       "      <td>San Francisco Caltrain 2 (330 Townsend)</td>\n",
       "      <td>69</td>\n",
       "      <td>361</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94109</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>104</th>\n",
       "      <td>4290</td>\n",
       "      <td>309.0</td>\n",
       "      <td>8/29/2013 11:58</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>8/29/2013 12:03</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>496</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94107</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>105</th>\n",
       "      <td>4876</td>\n",
       "      <td>309.0</td>\n",
       "      <td>8/29/2013 18:09</td>\n",
       "      <td>2nd at Townsend</td>\n",
       "      <td>61</td>\n",
       "      <td>8/29/2013 18:14</td>\n",
       "      <td>San Francisco Caltrain 2 (330 Townsend)</td>\n",
       "      <td>69</td>\n",
       "      <td>565</td>\n",
       "      <td>Customer</td>\n",
       "      <td>95126</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>107</th>\n",
       "      <td>4871</td>\n",
       "      <td>316.0</td>\n",
       "      <td>8/29/2013 18:06</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>8/29/2013 18:11</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>348</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94107</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>109</th>\n",
       "      <td>4744</td>\n",
       "      <td>319.0</td>\n",
       "      <td>8/29/2013 16:52</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>8/29/2013 16:57</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>379</td>\n",
       "      <td>Customer</td>\n",
       "      <td>95032</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>112</th>\n",
       "      <td>4602</td>\n",
       "      <td>323.0</td>\n",
       "      <td>8/29/2013 14:34</td>\n",
       "      <td>Commercial at Montgomery</td>\n",
       "      <td>45</td>\n",
       "      <td>8/29/2013 14:39</td>\n",
       "      <td>Davis at Jackson</td>\n",
       "      <td>42</td>\n",
       "      <td>326</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94111</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>121</th>\n",
       "      <td>4715</td>\n",
       "      <td>337.0</td>\n",
       "      <td>8/29/2013 16:23</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>8/29/2013 16:29</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>489</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94109</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>128</th>\n",
       "      <td>4300</td>\n",
       "      <td>346.0</td>\n",
       "      <td>8/29/2013 12:03</td>\n",
       "      <td>Post at Kearney</td>\n",
       "      <td>47</td>\n",
       "      <td>8/29/2013 12:09</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>603</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94105</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>135</th>\n",
       "      <td>4660</td>\n",
       "      <td>355.0</td>\n",
       "      <td>8/29/2013 15:32</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>8/29/2013 15:38</td>\n",
       "      <td>Post at Kearney</td>\n",
       "      <td>47</td>\n",
       "      <td>408</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94102</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>142</th>\n",
       "      <td>5032</td>\n",
       "      <td>363.0</td>\n",
       "      <td>8/29/2013 20:33</td>\n",
       "      <td>San Jose Civic Center</td>\n",
       "      <td>3</td>\n",
       "      <td>8/29/2013 20:39</td>\n",
       "      <td>San Pedro Square</td>\n",
       "      <td>6</td>\n",
       "      <td>683</td>\n",
       "      <td>Customer</td>\n",
       "      <td>95123</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>144</th>\n",
       "      <td>4695</td>\n",
       "      <td>369.0</td>\n",
       "      <td>8/29/2013 16:05</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>8/29/2013 16:11</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>431</td>\n",
       "      <td>Customer</td>\n",
       "      <td>95118</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>145</th>\n",
       "      <td>4700</td>\n",
       "      <td>369.0</td>\n",
       "      <td>8/29/2013 16:12</td>\n",
       "      <td>Davis at Jackson</td>\n",
       "      <td>42</td>\n",
       "      <td>8/29/2013 16:18</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>510</td>\n",
       "      <td>Customer</td>\n",
       "      <td>2360</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>147</th>\n",
       "      <td>4659</td>\n",
       "      <td>371.0</td>\n",
       "      <td>8/29/2013 15:32</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>8/29/2013 15:38</td>\n",
       "      <td>Post at Kearney</td>\n",
       "      <td>47</td>\n",
       "      <td>538</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94102</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>150</th>\n",
       "      <td>4716</td>\n",
       "      <td>375.0</td>\n",
       "      <td>8/29/2013 16:24</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>8/29/2013 16:30</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>382</td>\n",
       "      <td>Customer</td>\n",
       "      <td>95118</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>154</th>\n",
       "      <td>4731</td>\n",
       "      <td>378.0</td>\n",
       "      <td>8/29/2013 16:36</td>\n",
       "      <td>Beale at Market</td>\n",
       "      <td>56</td>\n",
       "      <td>8/29/2013 16:43</td>\n",
       "      <td>Commercial at Montgomery</td>\n",
       "      <td>45</td>\n",
       "      <td>324</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94118</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669899</th>\n",
       "      <td>433039</td>\n",
       "      <td>615.0</td>\n",
       "      <td>9/1/2014 10:39</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>9/1/2014 10:49</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>569</td>\n",
       "      <td>Customer</td>\n",
       "      <td>29609</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669901</th>\n",
       "      <td>433037</td>\n",
       "      <td>628.0</td>\n",
       "      <td>9/1/2014 10:38</td>\n",
       "      <td>Mechanics Plaza (Market at Battery)</td>\n",
       "      <td>75</td>\n",
       "      <td>9/1/2014 10:48</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>494</td>\n",
       "      <td>Customer</td>\n",
       "      <td>46220</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669902</th>\n",
       "      <td>433036</td>\n",
       "      <td>942.0</td>\n",
       "      <td>9/1/2014 10:37</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>9/1/2014 10:53</td>\n",
       "      <td>Clay at Battery</td>\n",
       "      <td>41</td>\n",
       "      <td>461</td>\n",
       "      <td>Customer</td>\n",
       "      <td>90004</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669904</th>\n",
       "      <td>433034</td>\n",
       "      <td>652.0</td>\n",
       "      <td>9/1/2014 10:37</td>\n",
       "      <td>Mechanics Plaza (Market at Battery)</td>\n",
       "      <td>75</td>\n",
       "      <td>9/1/2014 10:48</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>222</td>\n",
       "      <td>Customer</td>\n",
       "      <td>46220</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669905</th>\n",
       "      <td>433033</td>\n",
       "      <td>956.0</td>\n",
       "      <td>9/1/2014 10:37</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>9/1/2014 10:53</td>\n",
       "      <td>Clay at Battery</td>\n",
       "      <td>41</td>\n",
       "      <td>434</td>\n",
       "      <td>Customer</td>\n",
       "      <td>90004</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669906</th>\n",
       "      <td>433032</td>\n",
       "      <td>963.0</td>\n",
       "      <td>9/1/2014 10:36</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>9/1/2014 10:52</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>613</td>\n",
       "      <td>Customer</td>\n",
       "      <td>29607</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669911</th>\n",
       "      <td>433026</td>\n",
       "      <td>1631.0</td>\n",
       "      <td>9/1/2014 10:17</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>9/1/2014 10:44</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>549</td>\n",
       "      <td>Customer</td>\n",
       "      <td>11231</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669912</th>\n",
       "      <td>433025</td>\n",
       "      <td>1631.0</td>\n",
       "      <td>9/1/2014 10:17</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>9/1/2014 10:44</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>416</td>\n",
       "      <td>Customer</td>\n",
       "      <td>11231</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669917</th>\n",
       "      <td>433019</td>\n",
       "      <td>1007.0</td>\n",
       "      <td>9/1/2014 10:00</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>9/1/2014 10:17</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>466</td>\n",
       "      <td>Customer</td>\n",
       "      <td>32</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669918</th>\n",
       "      <td>433018</td>\n",
       "      <td>1023.0</td>\n",
       "      <td>9/1/2014 9:59</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>9/1/2014 10:17</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>86</td>\n",
       "      <td>Customer</td>\n",
       "      <td>32</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669919</th>\n",
       "      <td>433017</td>\n",
       "      <td>1051.0</td>\n",
       "      <td>9/1/2014 9:59</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>9/1/2014 10:17</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>461</td>\n",
       "      <td>Customer</td>\n",
       "      <td>32</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669920</th>\n",
       "      <td>433016</td>\n",
       "      <td>925.0</td>\n",
       "      <td>9/1/2014 9:58</td>\n",
       "      <td>Washington at Kearny</td>\n",
       "      <td>46</td>\n",
       "      <td>9/1/2014 10:14</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>549</td>\n",
       "      <td>Customer</td>\n",
       "      <td>11231</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669921</th>\n",
       "      <td>433015</td>\n",
       "      <td>943.0</td>\n",
       "      <td>9/1/2014 9:58</td>\n",
       "      <td>Washington at Kearny</td>\n",
       "      <td>46</td>\n",
       "      <td>9/1/2014 10:14</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>212</td>\n",
       "      <td>Customer</td>\n",
       "      <td>11231</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669924</th>\n",
       "      <td>433008</td>\n",
       "      <td>1247.0</td>\n",
       "      <td>9/1/2014 9:49</td>\n",
       "      <td>Embarcadero at Folsom</td>\n",
       "      <td>51</td>\n",
       "      <td>9/1/2014 10:10</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>389</td>\n",
       "      <td>Customer</td>\n",
       "      <td>90004</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669925</th>\n",
       "      <td>433007</td>\n",
       "      <td>1238.0</td>\n",
       "      <td>9/1/2014 9:49</td>\n",
       "      <td>Embarcadero at Folsom</td>\n",
       "      <td>51</td>\n",
       "      <td>9/1/2014 10:10</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>431</td>\n",
       "      <td>Customer</td>\n",
       "      <td>90004</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669930</th>\n",
       "      <td>433002</td>\n",
       "      <td>23767.0</td>\n",
       "      <td>9/1/2014 9:29</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>9/1/2014 16:05</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>625</td>\n",
       "      <td>Customer</td>\n",
       "      <td>31100</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669931</th>\n",
       "      <td>433001</td>\n",
       "      <td>23783.0</td>\n",
       "      <td>9/1/2014 9:29</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>9/1/2014 16:05</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>878</td>\n",
       "      <td>Customer</td>\n",
       "      <td>31100</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669935</th>\n",
       "      <td>432995</td>\n",
       "      <td>7508.0</td>\n",
       "      <td>9/1/2014 8:55</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>9/1/2014 11:00</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>535</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669936</th>\n",
       "      <td>432994</td>\n",
       "      <td>7503.0</td>\n",
       "      <td>9/1/2014 8:55</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>9/1/2014 11:00</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>400</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669938</th>\n",
       "      <td>432985</td>\n",
       "      <td>419.0</td>\n",
       "      <td>9/1/2014 8:41</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>9/1/2014 8:48</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>285</td>\n",
       "      <td>Customer</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669939</th>\n",
       "      <td>432981</td>\n",
       "      <td>1536.0</td>\n",
       "      <td>9/1/2014 8:31</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>9/1/2014 8:57</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>317</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669940</th>\n",
       "      <td>432980</td>\n",
       "      <td>1545.0</td>\n",
       "      <td>9/1/2014 8:31</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>9/1/2014 8:57</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>590</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669944</th>\n",
       "      <td>432972</td>\n",
       "      <td>6937.0</td>\n",
       "      <td>9/1/2014 8:16</td>\n",
       "      <td>Post at Kearny</td>\n",
       "      <td>47</td>\n",
       "      <td>9/1/2014 10:12</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>357</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669947</th>\n",
       "      <td>432966</td>\n",
       "      <td>17396.0</td>\n",
       "      <td>9/1/2014 7:37</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>9/1/2014 12:27</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>140</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94085</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669948</th>\n",
       "      <td>432965</td>\n",
       "      <td>17297.0</td>\n",
       "      <td>9/1/2014 7:37</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>9/1/2014 12:25</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>57</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94085</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669950</th>\n",
       "      <td>432960</td>\n",
       "      <td>5667.0</td>\n",
       "      <td>9/1/2014 7:03</td>\n",
       "      <td>Japantown</td>\n",
       "      <td>9</td>\n",
       "      <td>9/1/2014 8:38</td>\n",
       "      <td>Japantown</td>\n",
       "      <td>9</td>\n",
       "      <td>56</td>\n",
       "      <td>Customer</td>\n",
       "      <td>95112</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669955</th>\n",
       "      <td>432950</td>\n",
       "      <td>6712.0</td>\n",
       "      <td>9/1/2014 3:16</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>9/1/2014 5:08</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>259</td>\n",
       "      <td>Customer</td>\n",
       "      <td>44100</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669956</th>\n",
       "      <td>432949</td>\n",
       "      <td>538.0</td>\n",
       "      <td>9/1/2014 0:05</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>9/1/2014 0:14</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>466</td>\n",
       "      <td>Customer</td>\n",
       "      <td>32</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669957</th>\n",
       "      <td>432948</td>\n",
       "      <td>568.0</td>\n",
       "      <td>9/1/2014 0:05</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>9/1/2014 0:15</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>461</td>\n",
       "      <td>Customer</td>\n",
       "      <td>32</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669958</th>\n",
       "      <td>432947</td>\n",
       "      <td>569.0</td>\n",
       "      <td>9/1/2014 0:05</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>9/1/2014 0:15</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>318</td>\n",
       "      <td>Customer</td>\n",
       "      <td>32</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>103213 rows × 11 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "            id  duration       start_date  \\\n",
       "25        4168     161.0  8/29/2013 10:56   \n",
       "31        4276     173.0  8/29/2013 11:45   \n",
       "42        4944     188.0  8/29/2013 19:06   \n",
       "49        4854     209.0  8/29/2013 17:57   \n",
       "52        4855     214.0  8/29/2013 17:57   \n",
       "62        5001     236.0  8/29/2013 20:00   \n",
       "74        4443     245.0  8/29/2013 12:56   \n",
       "75        5105     245.0  8/29/2013 23:12   \n",
       "81        4599     265.0  8/29/2013 14:31   \n",
       "83        4870     266.0  8/29/2013 18:06   \n",
       "84        4743     267.0  8/29/2013 16:51   \n",
       "87        4686     273.0  8/29/2013 15:59   \n",
       "88        4906     277.0  8/29/2013 18:28   \n",
       "92        4084     287.0   8/29/2013 9:41   \n",
       "93        4595     288.0  8/29/2013 14:31   \n",
       "96        4959     292.0  8/29/2013 19:18   \n",
       "104       4290     309.0  8/29/2013 11:58   \n",
       "105       4876     309.0  8/29/2013 18:09   \n",
       "107       4871     316.0  8/29/2013 18:06   \n",
       "109       4744     319.0  8/29/2013 16:52   \n",
       "112       4602     323.0  8/29/2013 14:34   \n",
       "121       4715     337.0  8/29/2013 16:23   \n",
       "128       4300     346.0  8/29/2013 12:03   \n",
       "135       4660     355.0  8/29/2013 15:32   \n",
       "142       5032     363.0  8/29/2013 20:33   \n",
       "144       4695     369.0  8/29/2013 16:05   \n",
       "145       4700     369.0  8/29/2013 16:12   \n",
       "147       4659     371.0  8/29/2013 15:32   \n",
       "150       4716     375.0  8/29/2013 16:24   \n",
       "154       4731     378.0  8/29/2013 16:36   \n",
       "...        ...       ...              ...   \n",
       "669899  433039     615.0   9/1/2014 10:39   \n",
       "669901  433037     628.0   9/1/2014 10:38   \n",
       "669902  433036     942.0   9/1/2014 10:37   \n",
       "669904  433034     652.0   9/1/2014 10:37   \n",
       "669905  433033     956.0   9/1/2014 10:37   \n",
       "669906  433032     963.0   9/1/2014 10:36   \n",
       "669911  433026    1631.0   9/1/2014 10:17   \n",
       "669912  433025    1631.0   9/1/2014 10:17   \n",
       "669917  433019    1007.0   9/1/2014 10:00   \n",
       "669918  433018    1023.0    9/1/2014 9:59   \n",
       "669919  433017    1051.0    9/1/2014 9:59   \n",
       "669920  433016     925.0    9/1/2014 9:58   \n",
       "669921  433015     943.0    9/1/2014 9:58   \n",
       "669924  433008    1247.0    9/1/2014 9:49   \n",
       "669925  433007    1238.0    9/1/2014 9:49   \n",
       "669930  433002   23767.0    9/1/2014 9:29   \n",
       "669931  433001   23783.0    9/1/2014 9:29   \n",
       "669935  432995    7508.0    9/1/2014 8:55   \n",
       "669936  432994    7503.0    9/1/2014 8:55   \n",
       "669938  432985     419.0    9/1/2014 8:41   \n",
       "669939  432981    1536.0    9/1/2014 8:31   \n",
       "669940  432980    1545.0    9/1/2014 8:31   \n",
       "669944  432972    6937.0    9/1/2014 8:16   \n",
       "669947  432966   17396.0    9/1/2014 7:37   \n",
       "669948  432965   17297.0    9/1/2014 7:37   \n",
       "669950  432960    5667.0    9/1/2014 7:03   \n",
       "669955  432950    6712.0    9/1/2014 3:16   \n",
       "669956  432949     538.0    9/1/2014 0:05   \n",
       "669957  432948     568.0    9/1/2014 0:05   \n",
       "669958  432947     569.0    9/1/2014 0:05   \n",
       "\n",
       "                                   start_station_name  start_station_id  \\\n",
       "25                                    Beale at Market                56   \n",
       "31                                    2nd at Townsend                61   \n",
       "42                                    Clay at Battery                41   \n",
       "49      Yerba Buena Center of the Arts (3rd @ Howard)                68   \n",
       "52      Yerba Buena Center of the Arts (3rd @ Howard)                68   \n",
       "62                                      2nd at Folsom                62   \n",
       "74                                  Market at Sansome                77   \n",
       "75                                    Townsend at 7th                65   \n",
       "81                             Embarcadero at Sansome                60   \n",
       "83                                      Market at 4th                76   \n",
       "84                               Evelyn Park and Ride                30   \n",
       "87                                  Market at Sansome                77   \n",
       "88                             University and Emerson                35   \n",
       "92                            Mountain View City Hall                27   \n",
       "93                             Embarcadero at Sansome                60   \n",
       "96                                    Townsend at 7th                65   \n",
       "104                                Powell Street BART                39   \n",
       "105                                   2nd at Townsend                61   \n",
       "107                                     5th at Howard                57   \n",
       "109                                     5th at Howard                57   \n",
       "112                          Commercial at Montgomery                45   \n",
       "121          San Francisco Caltrain (Townsend at 4th)                70   \n",
       "128                                   Post at Kearney                47   \n",
       "135                     Powell at Post (Union Square)                71   \n",
       "142                             San Jose Civic Center                 3   \n",
       "144                                   Townsend at 7th                65   \n",
       "145                                  Davis at Jackson                42   \n",
       "147                     Powell at Post (Union Square)                71   \n",
       "150          San Francisco Caltrain (Townsend at 4th)                70   \n",
       "154                                   Beale at Market                56   \n",
       "...                                               ...               ...   \n",
       "669899                         Embarcadero at Vallejo                48   \n",
       "669901            Mechanics Plaza (Market at Battery)                75   \n",
       "669902                         Embarcadero at Sansome                60   \n",
       "669904            Mechanics Plaza (Market at Battery)                75   \n",
       "669905                         Embarcadero at Sansome                60   \n",
       "669906                         Embarcadero at Vallejo                48   \n",
       "669911                Grant Avenue at Columbus Avenue                73   \n",
       "669912                Grant Avenue at Columbus Avenue                73   \n",
       "669917                                  5th at Howard                57   \n",
       "669918                                  5th at Howard                57   \n",
       "669919                                  5th at Howard                57   \n",
       "669920                           Washington at Kearny                46   \n",
       "669921                           Washington at Kearny                46   \n",
       "669924                          Embarcadero at Folsom                51   \n",
       "669925                          Embarcadero at Folsom                51   \n",
       "669930                                  Market at 4th                76   \n",
       "669931                                  Market at 4th                76   \n",
       "669935                  Powell at Post (Union Square)                71   \n",
       "669936                  Powell at Post (Union Square)                71   \n",
       "669938                         Embarcadero at Vallejo                48   \n",
       "669939                                  Market at 4th                76   \n",
       "669940                                  Market at 4th                76   \n",
       "669944                                 Post at Kearny                47   \n",
       "669947                        Mountain View City Hall                27   \n",
       "669948                        Mountain View City Hall                27   \n",
       "669950                                      Japantown                 9   \n",
       "669955           Harry Bridges Plaza (Ferry Building)                50   \n",
       "669956                       South Van Ness at Market                66   \n",
       "669957                       South Van Ness at Market                66   \n",
       "669958                       South Van Ness at Market                66   \n",
       "\n",
       "               end_date                               end_station_name  \\\n",
       "25      8/29/2013 10:59                              Steuart at Market   \n",
       "31      8/29/2013 11:48                              2nd at South Park   \n",
       "42      8/29/2013 19:10                          Washington at Kearney   \n",
       "49      8/29/2013 18:00                                  5th at Howard   \n",
       "52      8/29/2013 18:00                                  5th at Howard   \n",
       "62      8/29/2013 20:04                              Market at Sansome   \n",
       "74      8/29/2013 13:00                              Steuart at Market   \n",
       "75      8/29/2013 23:16       San Francisco Caltrain (Townsend at 4th)   \n",
       "81      8/29/2013 14:35                               Davis at Jackson   \n",
       "83      8/29/2013 18:10                                Beale at Market   \n",
       "84      8/29/2013 16:55                 Mountain View Caltrain Station   \n",
       "87      8/29/2013 16:03  Temporary Transbay Terminal (Howard at Beale)   \n",
       "88      8/29/2013 18:33                           Cowper at University   \n",
       "92       8/29/2013 9:46                        Mountain View City Hall   \n",
       "93      8/29/2013 14:36                               Davis at Jackson   \n",
       "96      8/29/2013 19:23        San Francisco Caltrain 2 (330 Townsend)   \n",
       "104     8/29/2013 12:03                                 Market at 10th   \n",
       "105     8/29/2013 18:14        San Francisco Caltrain 2 (330 Townsend)   \n",
       "107     8/29/2013 18:11       San Francisco Caltrain (Townsend at 4th)   \n",
       "109     8/29/2013 16:57       San Francisco Caltrain (Townsend at 4th)   \n",
       "112     8/29/2013 14:39                               Davis at Jackson   \n",
       "121     8/29/2013 16:29                                Townsend at 7th   \n",
       "128     8/29/2013 12:09           Harry Bridges Plaza (Ferry Building)   \n",
       "135     8/29/2013 15:38                                Post at Kearney   \n",
       "142     8/29/2013 20:39                               San Pedro Square   \n",
       "144     8/29/2013 16:11       San Francisco Caltrain (Townsend at 4th)   \n",
       "145     8/29/2013 16:18                Grant Avenue at Columbus Avenue   \n",
       "147     8/29/2013 15:38                                Post at Kearney   \n",
       "150     8/29/2013 16:30                                Townsend at 7th   \n",
       "154     8/29/2013 16:43                       Commercial at Montgomery   \n",
       "...                 ...                                            ...   \n",
       "669899   9/1/2014 10:49                         Embarcadero at Sansome   \n",
       "669901   9/1/2014 10:48                                  Market at 4th   \n",
       "669902   9/1/2014 10:53                                Clay at Battery   \n",
       "669904   9/1/2014 10:48                                  Market at 4th   \n",
       "669905   9/1/2014 10:53                                Clay at Battery   \n",
       "669906   9/1/2014 10:52                         Embarcadero at Sansome   \n",
       "669911   9/1/2014 10:44                         Embarcadero at Sansome   \n",
       "669912   9/1/2014 10:44                         Embarcadero at Sansome   \n",
       "669917   9/1/2014 10:17                         Embarcadero at Sansome   \n",
       "669918   9/1/2014 10:17                         Embarcadero at Sansome   \n",
       "669919   9/1/2014 10:17                         Embarcadero at Sansome   \n",
       "669920   9/1/2014 10:14                Grant Avenue at Columbus Avenue   \n",
       "669921   9/1/2014 10:14                Grant Avenue at Columbus Avenue   \n",
       "669924   9/1/2014 10:10                         Embarcadero at Sansome   \n",
       "669925   9/1/2014 10:10                         Embarcadero at Sansome   \n",
       "669930   9/1/2014 16:05                  Powell at Post (Union Square)   \n",
       "669931   9/1/2014 16:05                  Powell at Post (Union Square)   \n",
       "669935   9/1/2014 11:00                  Powell at Post (Union Square)   \n",
       "669936   9/1/2014 11:00                  Powell at Post (Union Square)   \n",
       "669938    9/1/2014 8:48                         Embarcadero at Sansome   \n",
       "669939    9/1/2014 8:57                         Embarcadero at Sansome   \n",
       "669940    9/1/2014 8:57                         Embarcadero at Sansome   \n",
       "669944   9/1/2014 10:12                              Market at Sansome   \n",
       "669947   9/1/2014 12:27                        Mountain View City Hall   \n",
       "669948   9/1/2014 12:25                        Mountain View City Hall   \n",
       "669950    9/1/2014 8:38                                      Japantown   \n",
       "669955    9/1/2014 5:08       San Francisco Caltrain (Townsend at 4th)   \n",
       "669956    9/1/2014 0:14                                  5th at Howard   \n",
       "669957    9/1/2014 0:15                                  5th at Howard   \n",
       "669958    9/1/2014 0:15                                  5th at Howard   \n",
       "\n",
       "        end_station_id  bike_id subscription_type zip_code  \n",
       "25                  74      414          Customer    94117  \n",
       "31                  64      280          Customer    95819  \n",
       "42                  46      502          Customer    94612  \n",
       "49                  57      348          Customer    94158  \n",
       "52                  57      334          Customer    94158  \n",
       "62                  77      567          Customer    94608  \n",
       "74                  74      436          Customer    94960  \n",
       "75                  70      348          Customer    37206  \n",
       "81                  42      425          Customer     2360  \n",
       "83                  56      626          Customer    43214  \n",
       "84                  28       54          Customer    94107  \n",
       "87                  55      624          Customer      NaN  \n",
       "88                  37       93          Customer    94303  \n",
       "92                  27      138          Customer    97214  \n",
       "93                  42      356          Customer     1719  \n",
       "96                  69      361          Customer    94109  \n",
       "104                 67      496          Customer    94107  \n",
       "105                 69      565          Customer    95126  \n",
       "107                 70      348          Customer    94107  \n",
       "109                 70      379          Customer    95032  \n",
       "112                 42      326          Customer    94111  \n",
       "121                 65      489          Customer    94109  \n",
       "128                 50      603          Customer    94105  \n",
       "135                 47      408          Customer    94102  \n",
       "142                  6      683          Customer    95123  \n",
       "144                 70      431          Customer    95118  \n",
       "145                 73      510          Customer     2360  \n",
       "147                 47      538          Customer    94102  \n",
       "150                 65      382          Customer    95118  \n",
       "154                 45      324          Customer    94118  \n",
       "...                ...      ...               ...      ...  \n",
       "669899              60      569          Customer    29609  \n",
       "669901              76      494          Customer    46220  \n",
       "669902              41      461          Customer    90004  \n",
       "669904              76      222          Customer    46220  \n",
       "669905              41      434          Customer    90004  \n",
       "669906              60      613          Customer    29607  \n",
       "669911              60      549          Customer    11231  \n",
       "669912              60      416          Customer    11231  \n",
       "669917              60      466          Customer       32  \n",
       "669918              60       86          Customer       32  \n",
       "669919              60      461          Customer       32  \n",
       "669920              73      549          Customer    11231  \n",
       "669921              73      212          Customer    11231  \n",
       "669924              60      389          Customer    90004  \n",
       "669925              60      431          Customer    90004  \n",
       "669930              71      625          Customer    31100  \n",
       "669931              71      878          Customer    31100  \n",
       "669935              71      535          Customer      nil  \n",
       "669936              71      400          Customer      nil  \n",
       "669938              60      285          Customer        1  \n",
       "669939              60      317          Customer      nil  \n",
       "669940              60      590          Customer      nil  \n",
       "669944              77      357          Customer      nil  \n",
       "669947              27      140          Customer    94085  \n",
       "669948              27       57          Customer    94085  \n",
       "669950               9       56          Customer    95112  \n",
       "669955              70      259          Customer    44100  \n",
       "669956              57      466          Customer       32  \n",
       "669957              57      461          Customer       32  \n",
       "669958              57      318          Customer       32  \n",
       "\n",
       "[103213 rows x 11 columns]"
      ]
     },
     "execution_count": 23,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data.loc[trips_data['subscription_type']=='Customer']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>id</th>\n",
       "      <th>duration</th>\n",
       "      <th>start_date</th>\n",
       "      <th>start_station_name</th>\n",
       "      <th>start_station_id</th>\n",
       "      <th>end_date</th>\n",
       "      <th>end_station_name</th>\n",
       "      <th>end_station_id</th>\n",
       "      <th>bike_id</th>\n",
       "      <th>subscription_type</th>\n",
       "      <th>zip_code</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>518</th>\n",
       "      <td>4308</td>\n",
       "      <td>1000.0</td>\n",
       "      <td>8/29/2013 12:04</td>\n",
       "      <td>Redwood City Caltrain Station</td>\n",
       "      <td>22</td>\n",
       "      <td>8/29/2013 12:21</td>\n",
       "      <td>Redwood City Caltrain Station</td>\n",
       "      <td>22</td>\n",
       "      <td>159</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94061</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>519</th>\n",
       "      <td>4983</td>\n",
       "      <td>1009.0</td>\n",
       "      <td>8/29/2013 19:42</td>\n",
       "      <td>Embarcadero at Folsom</td>\n",
       "      <td>51</td>\n",
       "      <td>8/29/2013 19:59</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>265</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94105</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>520</th>\n",
       "      <td>4948</td>\n",
       "      <td>1010.0</td>\n",
       "      <td>8/29/2013 19:10</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>8/29/2013 19:27</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>492</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94609</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>521</th>\n",
       "      <td>4568</td>\n",
       "      <td>1013.0</td>\n",
       "      <td>8/29/2013 14:06</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>8/29/2013 14:22</td>\n",
       "      <td>Steuart at Market</td>\n",
       "      <td>74</td>\n",
       "      <td>525</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94102</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>522</th>\n",
       "      <td>4491</td>\n",
       "      <td>1015.0</td>\n",
       "      <td>8/29/2013 13:18</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>8/29/2013 13:35</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>438</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94549</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>523</th>\n",
       "      <td>4861</td>\n",
       "      <td>1015.0</td>\n",
       "      <td>8/29/2013 18:00</td>\n",
       "      <td>Post at Kearney</td>\n",
       "      <td>47</td>\n",
       "      <td>8/29/2013 18:17</td>\n",
       "      <td>Golden Gate at Polk</td>\n",
       "      <td>59</td>\n",
       "      <td>498</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94118</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>524</th>\n",
       "      <td>4862</td>\n",
       "      <td>1015.0</td>\n",
       "      <td>8/29/2013 18:00</td>\n",
       "      <td>Post at Kearney</td>\n",
       "      <td>47</td>\n",
       "      <td>8/29/2013 18:17</td>\n",
       "      <td>Golden Gate at Polk</td>\n",
       "      <td>59</td>\n",
       "      <td>610</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94118</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>525</th>\n",
       "      <td>5007</td>\n",
       "      <td>1016.0</td>\n",
       "      <td>8/29/2013 20:11</td>\n",
       "      <td>Rengstorff Avenue / California Street</td>\n",
       "      <td>33</td>\n",
       "      <td>8/29/2013 20:28</td>\n",
       "      <td>Rengstorff Avenue / California Street</td>\n",
       "      <td>33</td>\n",
       "      <td>11</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94040</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>526</th>\n",
       "      <td>4512</td>\n",
       "      <td>1024.0</td>\n",
       "      <td>8/29/2013 13:32</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>8/29/2013 13:49</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>314</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94608</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>527</th>\n",
       "      <td>4746</td>\n",
       "      <td>1024.0</td>\n",
       "      <td>8/29/2013 16:53</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>8/29/2013 17:11</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>617</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94134</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>528</th>\n",
       "      <td>4813</td>\n",
       "      <td>1030.0</td>\n",
       "      <td>8/29/2013 17:31</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>8/29/2013 17:48</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>464</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94117</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>529</th>\n",
       "      <td>4254</td>\n",
       "      <td>1032.0</td>\n",
       "      <td>8/29/2013 11:31</td>\n",
       "      <td>San Francisco Caltrain 2 (330 Townsend)</td>\n",
       "      <td>69</td>\n",
       "      <td>8/29/2013 11:48</td>\n",
       "      <td>San Francisco Caltrain 2 (330 Townsend)</td>\n",
       "      <td>69</td>\n",
       "      <td>541</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94117</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>530</th>\n",
       "      <td>4121</td>\n",
       "      <td>1040.0</td>\n",
       "      <td>8/29/2013 10:13</td>\n",
       "      <td>University and Emerson</td>\n",
       "      <td>35</td>\n",
       "      <td>8/29/2013 10:31</td>\n",
       "      <td>California Ave Caltrain Station</td>\n",
       "      <td>36</td>\n",
       "      <td>13</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94303</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>531</th>\n",
       "      <td>4485</td>\n",
       "      <td>1040.0</td>\n",
       "      <td>8/29/2013 13:16</td>\n",
       "      <td>Commercial at Montgomery</td>\n",
       "      <td>45</td>\n",
       "      <td>8/29/2013 13:34</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>410</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94117</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>532</th>\n",
       "      <td>4775</td>\n",
       "      <td>1046.0</td>\n",
       "      <td>8/29/2013 17:08</td>\n",
       "      <td>Spear at Folsom</td>\n",
       "      <td>49</td>\n",
       "      <td>8/29/2013 17:26</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>343</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94607</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>533</th>\n",
       "      <td>4688</td>\n",
       "      <td>1047.0</td>\n",
       "      <td>8/29/2013 16:00</td>\n",
       "      <td>Spear at Folsom</td>\n",
       "      <td>49</td>\n",
       "      <td>8/29/2013 16:17</td>\n",
       "      <td>Civic Center BART (7th at Market)</td>\n",
       "      <td>72</td>\n",
       "      <td>347</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94109</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>534</th>\n",
       "      <td>4438</td>\n",
       "      <td>1050.0</td>\n",
       "      <td>8/29/2013 12:55</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>8/29/2013 13:12</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>594</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94709</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>535</th>\n",
       "      <td>4437</td>\n",
       "      <td>1052.0</td>\n",
       "      <td>8/29/2013 12:55</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>8/29/2013 13:12</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>578</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94110</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>536</th>\n",
       "      <td>4268</td>\n",
       "      <td>1055.0</td>\n",
       "      <td>8/29/2013 11:40</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>8/29/2013 11:57</td>\n",
       "      <td>Beale at Market</td>\n",
       "      <td>56</td>\n",
       "      <td>324</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>537</th>\n",
       "      <td>4852</td>\n",
       "      <td>1055.0</td>\n",
       "      <td>8/29/2013 17:55</td>\n",
       "      <td>Post at Kearney</td>\n",
       "      <td>47</td>\n",
       "      <td>8/29/2013 18:13</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>284</td>\n",
       "      <td>Customer</td>\n",
       "      <td>2151</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>538</th>\n",
       "      <td>5091</td>\n",
       "      <td>1061.0</td>\n",
       "      <td>8/29/2013 22:11</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>8/29/2013 22:29</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>56</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94041</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>539</th>\n",
       "      <td>4629</td>\n",
       "      <td>1065.0</td>\n",
       "      <td>8/29/2013 15:03</td>\n",
       "      <td>Davis at Jackson</td>\n",
       "      <td>42</td>\n",
       "      <td>8/29/2013 15:20</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>356</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>540</th>\n",
       "      <td>4995</td>\n",
       "      <td>1065.0</td>\n",
       "      <td>8/29/2013 19:53</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>8/29/2013 20:11</td>\n",
       "      <td>Beale at Market</td>\n",
       "      <td>56</td>\n",
       "      <td>557</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94609</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>541</th>\n",
       "      <td>4206</td>\n",
       "      <td>1066.0</td>\n",
       "      <td>8/29/2013 11:09</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>8/29/2013 11:27</td>\n",
       "      <td>Steuart at Market</td>\n",
       "      <td>74</td>\n",
       "      <td>632</td>\n",
       "      <td>Customer</td>\n",
       "      <td>98034</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>542</th>\n",
       "      <td>4073</td>\n",
       "      <td>1067.0</td>\n",
       "      <td>8/29/2013 9:24</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>8/29/2013 9:42</td>\n",
       "      <td>San Francisco Caltrain 2 (330 Townsend)</td>\n",
       "      <td>69</td>\n",
       "      <td>321</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94703</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>543</th>\n",
       "      <td>4244</td>\n",
       "      <td>1071.0</td>\n",
       "      <td>8/29/2013 11:26</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>8/29/2013 11:44</td>\n",
       "      <td>San Francisco City Hall</td>\n",
       "      <td>58</td>\n",
       "      <td>572</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94122</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>544</th>\n",
       "      <td>4733</td>\n",
       "      <td>1072.0</td>\n",
       "      <td>8/29/2013 16:40</td>\n",
       "      <td>Post at Kearney</td>\n",
       "      <td>47</td>\n",
       "      <td>8/29/2013 16:58</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>538</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94114</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>545</th>\n",
       "      <td>4956</td>\n",
       "      <td>1072.0</td>\n",
       "      <td>8/29/2013 19:15</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>8/29/2013 19:33</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>510</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94103</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>546</th>\n",
       "      <td>5049</td>\n",
       "      <td>1075.0</td>\n",
       "      <td>8/29/2013 21:00</td>\n",
       "      <td>San Jose Civic Center</td>\n",
       "      <td>3</td>\n",
       "      <td>8/29/2013 21:18</td>\n",
       "      <td>Santa Clara at Almaden</td>\n",
       "      <td>4</td>\n",
       "      <td>68</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>547</th>\n",
       "      <td>4555</td>\n",
       "      <td>1077.0</td>\n",
       "      <td>8/29/2013 13:55</td>\n",
       "      <td>Yerba Buena Center of the Arts (3rd @ Howard)</td>\n",
       "      <td>68</td>\n",
       "      <td>8/29/2013 14:13</td>\n",
       "      <td>Mechanics Plaza (Market at Battery)</td>\n",
       "      <td>75</td>\n",
       "      <td>557</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94702</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669884</th>\n",
       "      <td>433057</td>\n",
       "      <td>1429.0</td>\n",
       "      <td>9/1/2014 11:14</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>9/1/2014 11:37</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>410</td>\n",
       "      <td>Customer</td>\n",
       "      <td>89123</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669885</th>\n",
       "      <td>433056</td>\n",
       "      <td>1596.0</td>\n",
       "      <td>9/1/2014 11:11</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>9/1/2014 11:38</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>622</td>\n",
       "      <td>Customer</td>\n",
       "      <td>89123</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669886</th>\n",
       "      <td>433055</td>\n",
       "      <td>1711.0</td>\n",
       "      <td>9/1/2014 11:01</td>\n",
       "      <td>San Francisco City Hall</td>\n",
       "      <td>58</td>\n",
       "      <td>9/1/2014 11:29</td>\n",
       "      <td>San Francisco City Hall</td>\n",
       "      <td>58</td>\n",
       "      <td>546</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669887</th>\n",
       "      <td>433054</td>\n",
       "      <td>1750.0</td>\n",
       "      <td>9/1/2014 11:00</td>\n",
       "      <td>San Francisco City Hall</td>\n",
       "      <td>58</td>\n",
       "      <td>9/1/2014 11:29</td>\n",
       "      <td>San Francisco City Hall</td>\n",
       "      <td>58</td>\n",
       "      <td>393</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669888</th>\n",
       "      <td>433052</td>\n",
       "      <td>2255.0</td>\n",
       "      <td>9/1/2014 10:56</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>9/1/2014 11:34</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>383</td>\n",
       "      <td>Customer</td>\n",
       "      <td>29607</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669889</th>\n",
       "      <td>433051</td>\n",
       "      <td>2278.0</td>\n",
       "      <td>9/1/2014 10:56</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>9/1/2014 11:34</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>549</td>\n",
       "      <td>Customer</td>\n",
       "      <td>29609</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669891</th>\n",
       "      <td>433049</td>\n",
       "      <td>6999.0</td>\n",
       "      <td>9/1/2014 10:51</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>9/1/2014 12:48</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>212</td>\n",
       "      <td>Customer</td>\n",
       "      <td>73116</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669893</th>\n",
       "      <td>433047</td>\n",
       "      <td>7027.0</td>\n",
       "      <td>9/1/2014 10:51</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>9/1/2014 12:48</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>636</td>\n",
       "      <td>Customer</td>\n",
       "      <td>73116</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669894</th>\n",
       "      <td>433044</td>\n",
       "      <td>7196.0</td>\n",
       "      <td>9/1/2014 10:48</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>9/1/2014 12:48</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>548</td>\n",
       "      <td>Customer</td>\n",
       "      <td>75206</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669896</th>\n",
       "      <td>433042</td>\n",
       "      <td>1274.0</td>\n",
       "      <td>9/1/2014 10:45</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>9/1/2014 11:06</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>318</td>\n",
       "      <td>Customer</td>\n",
       "      <td>90405</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669897</th>\n",
       "      <td>433041</td>\n",
       "      <td>1271.0</td>\n",
       "      <td>9/1/2014 10:45</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>9/1/2014 11:06</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>330</td>\n",
       "      <td>Customer</td>\n",
       "      <td>90405</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669911</th>\n",
       "      <td>433026</td>\n",
       "      <td>1631.0</td>\n",
       "      <td>9/1/2014 10:17</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>9/1/2014 10:44</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>549</td>\n",
       "      <td>Customer</td>\n",
       "      <td>11231</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669912</th>\n",
       "      <td>433025</td>\n",
       "      <td>1631.0</td>\n",
       "      <td>9/1/2014 10:17</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>9/1/2014 10:44</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>416</td>\n",
       "      <td>Customer</td>\n",
       "      <td>11231</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669917</th>\n",
       "      <td>433019</td>\n",
       "      <td>1007.0</td>\n",
       "      <td>9/1/2014 10:00</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>9/1/2014 10:17</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>466</td>\n",
       "      <td>Customer</td>\n",
       "      <td>32</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669918</th>\n",
       "      <td>433018</td>\n",
       "      <td>1023.0</td>\n",
       "      <td>9/1/2014 9:59</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>9/1/2014 10:17</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>86</td>\n",
       "      <td>Customer</td>\n",
       "      <td>32</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669919</th>\n",
       "      <td>433017</td>\n",
       "      <td>1051.0</td>\n",
       "      <td>9/1/2014 9:59</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>9/1/2014 10:17</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>461</td>\n",
       "      <td>Customer</td>\n",
       "      <td>32</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669924</th>\n",
       "      <td>433008</td>\n",
       "      <td>1247.0</td>\n",
       "      <td>9/1/2014 9:49</td>\n",
       "      <td>Embarcadero at Folsom</td>\n",
       "      <td>51</td>\n",
       "      <td>9/1/2014 10:10</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>389</td>\n",
       "      <td>Customer</td>\n",
       "      <td>90004</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669925</th>\n",
       "      <td>433007</td>\n",
       "      <td>1238.0</td>\n",
       "      <td>9/1/2014 9:49</td>\n",
       "      <td>Embarcadero at Folsom</td>\n",
       "      <td>51</td>\n",
       "      <td>9/1/2014 10:10</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>431</td>\n",
       "      <td>Customer</td>\n",
       "      <td>90004</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669930</th>\n",
       "      <td>433002</td>\n",
       "      <td>23767.0</td>\n",
       "      <td>9/1/2014 9:29</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>9/1/2014 16:05</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>625</td>\n",
       "      <td>Customer</td>\n",
       "      <td>31100</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669931</th>\n",
       "      <td>433001</td>\n",
       "      <td>23783.0</td>\n",
       "      <td>9/1/2014 9:29</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>9/1/2014 16:05</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>878</td>\n",
       "      <td>Customer</td>\n",
       "      <td>31100</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669935</th>\n",
       "      <td>432995</td>\n",
       "      <td>7508.0</td>\n",
       "      <td>9/1/2014 8:55</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>9/1/2014 11:00</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>535</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669936</th>\n",
       "      <td>432994</td>\n",
       "      <td>7503.0</td>\n",
       "      <td>9/1/2014 8:55</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>9/1/2014 11:00</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>400</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669939</th>\n",
       "      <td>432981</td>\n",
       "      <td>1536.0</td>\n",
       "      <td>9/1/2014 8:31</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>9/1/2014 8:57</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>317</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669940</th>\n",
       "      <td>432980</td>\n",
       "      <td>1545.0</td>\n",
       "      <td>9/1/2014 8:31</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>9/1/2014 8:57</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>590</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669941</th>\n",
       "      <td>432979</td>\n",
       "      <td>1290.0</td>\n",
       "      <td>9/1/2014 8:30</td>\n",
       "      <td>Davis at Jackson</td>\n",
       "      <td>42</td>\n",
       "      <td>9/1/2014 8:52</td>\n",
       "      <td>Davis at Jackson</td>\n",
       "      <td>42</td>\n",
       "      <td>462</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94111</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669944</th>\n",
       "      <td>432972</td>\n",
       "      <td>6937.0</td>\n",
       "      <td>9/1/2014 8:16</td>\n",
       "      <td>Post at Kearny</td>\n",
       "      <td>47</td>\n",
       "      <td>9/1/2014 10:12</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>357</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669947</th>\n",
       "      <td>432966</td>\n",
       "      <td>17396.0</td>\n",
       "      <td>9/1/2014 7:37</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>9/1/2014 12:27</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>140</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94085</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669948</th>\n",
       "      <td>432965</td>\n",
       "      <td>17297.0</td>\n",
       "      <td>9/1/2014 7:37</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>9/1/2014 12:25</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>57</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94085</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669950</th>\n",
       "      <td>432960</td>\n",
       "      <td>5667.0</td>\n",
       "      <td>9/1/2014 7:03</td>\n",
       "      <td>Japantown</td>\n",
       "      <td>9</td>\n",
       "      <td>9/1/2014 8:38</td>\n",
       "      <td>Japantown</td>\n",
       "      <td>9</td>\n",
       "      <td>56</td>\n",
       "      <td>Customer</td>\n",
       "      <td>95112</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669955</th>\n",
       "      <td>432950</td>\n",
       "      <td>6712.0</td>\n",
       "      <td>9/1/2014 3:16</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>9/1/2014 5:08</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>259</td>\n",
       "      <td>Customer</td>\n",
       "      <td>44100</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>88564 rows × 11 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "            id  duration       start_date  \\\n",
       "518       4308    1000.0  8/29/2013 12:04   \n",
       "519       4983    1009.0  8/29/2013 19:42   \n",
       "520       4948    1010.0  8/29/2013 19:10   \n",
       "521       4568    1013.0  8/29/2013 14:06   \n",
       "522       4491    1015.0  8/29/2013 13:18   \n",
       "523       4861    1015.0  8/29/2013 18:00   \n",
       "524       4862    1015.0  8/29/2013 18:00   \n",
       "525       5007    1016.0  8/29/2013 20:11   \n",
       "526       4512    1024.0  8/29/2013 13:32   \n",
       "527       4746    1024.0  8/29/2013 16:53   \n",
       "528       4813    1030.0  8/29/2013 17:31   \n",
       "529       4254    1032.0  8/29/2013 11:31   \n",
       "530       4121    1040.0  8/29/2013 10:13   \n",
       "531       4485    1040.0  8/29/2013 13:16   \n",
       "532       4775    1046.0  8/29/2013 17:08   \n",
       "533       4688    1047.0  8/29/2013 16:00   \n",
       "534       4438    1050.0  8/29/2013 12:55   \n",
       "535       4437    1052.0  8/29/2013 12:55   \n",
       "536       4268    1055.0  8/29/2013 11:40   \n",
       "537       4852    1055.0  8/29/2013 17:55   \n",
       "538       5091    1061.0  8/29/2013 22:11   \n",
       "539       4629    1065.0  8/29/2013 15:03   \n",
       "540       4995    1065.0  8/29/2013 19:53   \n",
       "541       4206    1066.0  8/29/2013 11:09   \n",
       "542       4073    1067.0   8/29/2013 9:24   \n",
       "543       4244    1071.0  8/29/2013 11:26   \n",
       "544       4733    1072.0  8/29/2013 16:40   \n",
       "545       4956    1072.0  8/29/2013 19:15   \n",
       "546       5049    1075.0  8/29/2013 21:00   \n",
       "547       4555    1077.0  8/29/2013 13:55   \n",
       "...        ...       ...              ...   \n",
       "669884  433057    1429.0   9/1/2014 11:14   \n",
       "669885  433056    1596.0   9/1/2014 11:11   \n",
       "669886  433055    1711.0   9/1/2014 11:01   \n",
       "669887  433054    1750.0   9/1/2014 11:00   \n",
       "669888  433052    2255.0   9/1/2014 10:56   \n",
       "669889  433051    2278.0   9/1/2014 10:56   \n",
       "669891  433049    6999.0   9/1/2014 10:51   \n",
       "669893  433047    7027.0   9/1/2014 10:51   \n",
       "669894  433044    7196.0   9/1/2014 10:48   \n",
       "669896  433042    1274.0   9/1/2014 10:45   \n",
       "669897  433041    1271.0   9/1/2014 10:45   \n",
       "669911  433026    1631.0   9/1/2014 10:17   \n",
       "669912  433025    1631.0   9/1/2014 10:17   \n",
       "669917  433019    1007.0   9/1/2014 10:00   \n",
       "669918  433018    1023.0    9/1/2014 9:59   \n",
       "669919  433017    1051.0    9/1/2014 9:59   \n",
       "669924  433008    1247.0    9/1/2014 9:49   \n",
       "669925  433007    1238.0    9/1/2014 9:49   \n",
       "669930  433002   23767.0    9/1/2014 9:29   \n",
       "669931  433001   23783.0    9/1/2014 9:29   \n",
       "669935  432995    7508.0    9/1/2014 8:55   \n",
       "669936  432994    7503.0    9/1/2014 8:55   \n",
       "669939  432981    1536.0    9/1/2014 8:31   \n",
       "669940  432980    1545.0    9/1/2014 8:31   \n",
       "669941  432979    1290.0    9/1/2014 8:30   \n",
       "669944  432972    6937.0    9/1/2014 8:16   \n",
       "669947  432966   17396.0    9/1/2014 7:37   \n",
       "669948  432965   17297.0    9/1/2014 7:37   \n",
       "669950  432960    5667.0    9/1/2014 7:03   \n",
       "669955  432950    6712.0    9/1/2014 3:16   \n",
       "\n",
       "                                   start_station_name  start_station_id  \\\n",
       "518                     Redwood City Caltrain Station                22   \n",
       "519                             Embarcadero at Folsom                51   \n",
       "520                            Embarcadero at Sansome                60   \n",
       "521                          South Van Ness at Market                66   \n",
       "522                                   Townsend at 7th                65   \n",
       "523                                   Post at Kearney                47   \n",
       "524                                   Post at Kearney                47   \n",
       "525             Rengstorff Avenue / California Street                33   \n",
       "526              Harry Bridges Plaza (Ferry Building)                50   \n",
       "527              Harry Bridges Plaza (Ferry Building)                50   \n",
       "528                                    Market at 10th                67   \n",
       "529           San Francisco Caltrain 2 (330 Townsend)                69   \n",
       "530                            University and Emerson                35   \n",
       "531                          Commercial at Montgomery                45   \n",
       "532                                   Spear at Folsom                49   \n",
       "533                                   Spear at Folsom                49   \n",
       "534              Harry Bridges Plaza (Ferry Building)                50   \n",
       "535              Harry Bridges Plaza (Ferry Building)                50   \n",
       "536                                    Market at 10th                67   \n",
       "537                                   Post at Kearney                47   \n",
       "538                           Mountain View City Hall                27   \n",
       "539                                  Davis at Jackson                42   \n",
       "540                                    Market at 10th                67   \n",
       "541                                    Market at 10th                67   \n",
       "542                          South Van Ness at Market                66   \n",
       "543          San Francisco Caltrain (Townsend at 4th)                70   \n",
       "544                                   Post at Kearney                47   \n",
       "545              Harry Bridges Plaza (Ferry Building)                50   \n",
       "546                             San Jose Civic Center                 3   \n",
       "547     Yerba Buena Center of the Arts (3rd @ Howard)                68   \n",
       "...                                               ...               ...   \n",
       "669884           Harry Bridges Plaza (Ferry Building)                50   \n",
       "669885           Harry Bridges Plaza (Ferry Building)                50   \n",
       "669886                        San Francisco City Hall                58   \n",
       "669887                        San Francisco City Hall                58   \n",
       "669888                         Embarcadero at Sansome                60   \n",
       "669889                         Embarcadero at Sansome                60   \n",
       "669891                Grant Avenue at Columbus Avenue                73   \n",
       "669893                Grant Avenue at Columbus Avenue                73   \n",
       "669894                Grant Avenue at Columbus Avenue                73   \n",
       "669896                                  5th at Howard                57   \n",
       "669897                                  5th at Howard                57   \n",
       "669911                Grant Avenue at Columbus Avenue                73   \n",
       "669912                Grant Avenue at Columbus Avenue                73   \n",
       "669917                                  5th at Howard                57   \n",
       "669918                                  5th at Howard                57   \n",
       "669919                                  5th at Howard                57   \n",
       "669924                          Embarcadero at Folsom                51   \n",
       "669925                          Embarcadero at Folsom                51   \n",
       "669930                                  Market at 4th                76   \n",
       "669931                                  Market at 4th                76   \n",
       "669935                  Powell at Post (Union Square)                71   \n",
       "669936                  Powell at Post (Union Square)                71   \n",
       "669939                                  Market at 4th                76   \n",
       "669940                                  Market at 4th                76   \n",
       "669941                               Davis at Jackson                42   \n",
       "669944                                 Post at Kearny                47   \n",
       "669947                        Mountain View City Hall                27   \n",
       "669948                        Mountain View City Hall                27   \n",
       "669950                                      Japantown                 9   \n",
       "669955           Harry Bridges Plaza (Ferry Building)                50   \n",
       "\n",
       "               end_date                          end_station_name  \\\n",
       "518     8/29/2013 12:21             Redwood City Caltrain Station   \n",
       "519     8/29/2013 19:59           Grant Avenue at Columbus Avenue   \n",
       "520     8/29/2013 19:27             Powell at Post (Union Square)   \n",
       "521     8/29/2013 14:22                         Steuart at Market   \n",
       "522     8/29/2013 13:35                  South Van Ness at Market   \n",
       "523     8/29/2013 18:17                       Golden Gate at Polk   \n",
       "524     8/29/2013 18:17                       Golden Gate at Polk   \n",
       "525     8/29/2013 20:28     Rengstorff Avenue / California Street   \n",
       "526     8/29/2013 13:49                    Embarcadero at Vallejo   \n",
       "527     8/29/2013 17:11                            Market at 10th   \n",
       "528     8/29/2013 17:48                    Embarcadero at Sansome   \n",
       "529     8/29/2013 11:48   San Francisco Caltrain 2 (330 Townsend)   \n",
       "530     8/29/2013 10:31           California Ave Caltrain Station   \n",
       "531     8/29/2013 13:34                            Market at 10th   \n",
       "532     8/29/2013 17:26                    Embarcadero at Sansome   \n",
       "533     8/29/2013 16:17         Civic Center BART (7th at Market)   \n",
       "534     8/29/2013 13:12                         Market at Sansome   \n",
       "535     8/29/2013 13:12                         Market at Sansome   \n",
       "536     8/29/2013 11:57                           Beale at Market   \n",
       "537     8/29/2013 18:13           Grant Avenue at Columbus Avenue   \n",
       "538     8/29/2013 22:29                   Mountain View City Hall   \n",
       "539     8/29/2013 15:20                  South Van Ness at Market   \n",
       "540     8/29/2013 20:11                           Beale at Market   \n",
       "541     8/29/2013 11:27                         Steuart at Market   \n",
       "542      8/29/2013 9:42   San Francisco Caltrain 2 (330 Townsend)   \n",
       "543     8/29/2013 11:44                   San Francisco City Hall   \n",
       "544     8/29/2013 16:58                    Embarcadero at Sansome   \n",
       "545     8/29/2013 19:33                  South Van Ness at Market   \n",
       "546     8/29/2013 21:18                    Santa Clara at Almaden   \n",
       "547     8/29/2013 14:13       Mechanics Plaza (Market at Battery)   \n",
       "...                 ...                                       ...   \n",
       "669884   9/1/2014 11:37                            Market at 10th   \n",
       "669885   9/1/2014 11:38                            Market at 10th   \n",
       "669886   9/1/2014 11:29                   San Francisco City Hall   \n",
       "669887   9/1/2014 11:29                   San Francisco City Hall   \n",
       "669888   9/1/2014 11:34                    Embarcadero at Sansome   \n",
       "669889   9/1/2014 11:34                    Embarcadero at Sansome   \n",
       "669891   9/1/2014 12:48                         Market at Sansome   \n",
       "669893   9/1/2014 12:48                         Market at Sansome   \n",
       "669894   9/1/2014 12:48                         Market at Sansome   \n",
       "669896   9/1/2014 11:06           Grant Avenue at Columbus Avenue   \n",
       "669897   9/1/2014 11:06           Grant Avenue at Columbus Avenue   \n",
       "669911   9/1/2014 10:44                    Embarcadero at Sansome   \n",
       "669912   9/1/2014 10:44                    Embarcadero at Sansome   \n",
       "669917   9/1/2014 10:17                    Embarcadero at Sansome   \n",
       "669918   9/1/2014 10:17                    Embarcadero at Sansome   \n",
       "669919   9/1/2014 10:17                    Embarcadero at Sansome   \n",
       "669924   9/1/2014 10:10                    Embarcadero at Sansome   \n",
       "669925   9/1/2014 10:10                    Embarcadero at Sansome   \n",
       "669930   9/1/2014 16:05             Powell at Post (Union Square)   \n",
       "669931   9/1/2014 16:05             Powell at Post (Union Square)   \n",
       "669935   9/1/2014 11:00             Powell at Post (Union Square)   \n",
       "669936   9/1/2014 11:00             Powell at Post (Union Square)   \n",
       "669939    9/1/2014 8:57                    Embarcadero at Sansome   \n",
       "669940    9/1/2014 8:57                    Embarcadero at Sansome   \n",
       "669941    9/1/2014 8:52                          Davis at Jackson   \n",
       "669944   9/1/2014 10:12                         Market at Sansome   \n",
       "669947   9/1/2014 12:27                   Mountain View City Hall   \n",
       "669948   9/1/2014 12:25                   Mountain View City Hall   \n",
       "669950    9/1/2014 8:38                                 Japantown   \n",
       "669955    9/1/2014 5:08  San Francisco Caltrain (Townsend at 4th)   \n",
       "\n",
       "        end_station_id  bike_id subscription_type zip_code  \n",
       "518                 22      159        Subscriber    94061  \n",
       "519                 73      265        Subscriber    94105  \n",
       "520                 71      492          Customer    94609  \n",
       "521                 74      525          Customer    94102  \n",
       "522                 66      438        Subscriber    94549  \n",
       "523                 59      498        Subscriber    94118  \n",
       "524                 59      610        Subscriber    94118  \n",
       "525                 33       11          Customer    94040  \n",
       "526                 48      314        Subscriber    94608  \n",
       "527                 67      617        Subscriber    94134  \n",
       "528                 60      464          Customer    94117  \n",
       "529                 69      541          Customer    94117  \n",
       "530                 36       13        Subscriber    94303  \n",
       "531                 67      410          Customer    94117  \n",
       "532                 60      343          Customer    94607  \n",
       "533                 72      347          Customer    94109  \n",
       "534                 77      594          Customer    94709  \n",
       "535                 77      578        Subscriber    94110  \n",
       "536                 56      324        Subscriber      NaN  \n",
       "537                 73      284          Customer     2151  \n",
       "538                 27       56        Subscriber    94041  \n",
       "539                 66      356        Subscriber      NaN  \n",
       "540                 56      557        Subscriber    94609  \n",
       "541                 74      632          Customer    98034  \n",
       "542                 69      321        Subscriber    94703  \n",
       "543                 58      572        Subscriber    94122  \n",
       "544                 60      538          Customer    94114  \n",
       "545                 66      510        Subscriber    94103  \n",
       "546                  4       68          Customer      NaN  \n",
       "547                 75      557          Customer    94702  \n",
       "...                ...      ...               ...      ...  \n",
       "669884              67      410          Customer    89123  \n",
       "669885              67      622          Customer    89123  \n",
       "669886              58      546          Customer      nil  \n",
       "669887              58      393          Customer      nil  \n",
       "669888              60      383          Customer    29607  \n",
       "669889              60      549          Customer    29609  \n",
       "669891              77      212          Customer    73116  \n",
       "669893              77      636          Customer    73116  \n",
       "669894              77      548          Customer    75206  \n",
       "669896              73      318          Customer    90405  \n",
       "669897              73      330          Customer    90405  \n",
       "669911              60      549          Customer    11231  \n",
       "669912              60      416          Customer    11231  \n",
       "669917              60      466          Customer       32  \n",
       "669918              60       86          Customer       32  \n",
       "669919              60      461          Customer       32  \n",
       "669924              60      389          Customer    90004  \n",
       "669925              60      431          Customer    90004  \n",
       "669930              71      625          Customer    31100  \n",
       "669931              71      878          Customer    31100  \n",
       "669935              71      535          Customer      nil  \n",
       "669936              71      400          Customer      nil  \n",
       "669939              60      317          Customer      nil  \n",
       "669940              60      590          Customer      nil  \n",
       "669941              42      462        Subscriber    94111  \n",
       "669944              77      357          Customer      nil  \n",
       "669947              27      140          Customer    94085  \n",
       "669948              27       57          Customer    94085  \n",
       "669950               9       56          Customer    95112  \n",
       "669955              70      259          Customer    44100  \n",
       "\n",
       "[88564 rows x 11 columns]"
      ]
     },
     "execution_count": 24,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data.loc[trips_data['duration'] >= 1000]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
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       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
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       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>id</th>\n",
       "      <th>duration</th>\n",
       "      <th>start_date</th>\n",
       "      <th>start_station_name</th>\n",
       "      <th>start_station_id</th>\n",
       "      <th>end_date</th>\n",
       "      <th>end_station_name</th>\n",
       "      <th>end_station_id</th>\n",
       "      <th>bike_id</th>\n",
       "      <th>subscription_type</th>\n",
       "      <th>zip_code</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>520</th>\n",
       "      <td>4948</td>\n",
       "      <td>1010.0</td>\n",
       "      <td>8/29/2013 19:10</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>8/29/2013 19:27</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>492</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94609</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>521</th>\n",
       "      <td>4568</td>\n",
       "      <td>1013.0</td>\n",
       "      <td>8/29/2013 14:06</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>8/29/2013 14:22</td>\n",
       "      <td>Steuart at Market</td>\n",
       "      <td>74</td>\n",
       "      <td>525</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94102</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>525</th>\n",
       "      <td>5007</td>\n",
       "      <td>1016.0</td>\n",
       "      <td>8/29/2013 20:11</td>\n",
       "      <td>Rengstorff Avenue / California Street</td>\n",
       "      <td>33</td>\n",
       "      <td>8/29/2013 20:28</td>\n",
       "      <td>Rengstorff Avenue / California Street</td>\n",
       "      <td>33</td>\n",
       "      <td>11</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94040</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>528</th>\n",
       "      <td>4813</td>\n",
       "      <td>1030.0</td>\n",
       "      <td>8/29/2013 17:31</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>8/29/2013 17:48</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>464</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94117</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>529</th>\n",
       "      <td>4254</td>\n",
       "      <td>1032.0</td>\n",
       "      <td>8/29/2013 11:31</td>\n",
       "      <td>San Francisco Caltrain 2 (330 Townsend)</td>\n",
       "      <td>69</td>\n",
       "      <td>8/29/2013 11:48</td>\n",
       "      <td>San Francisco Caltrain 2 (330 Townsend)</td>\n",
       "      <td>69</td>\n",
       "      <td>541</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94117</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>531</th>\n",
       "      <td>4485</td>\n",
       "      <td>1040.0</td>\n",
       "      <td>8/29/2013 13:16</td>\n",
       "      <td>Commercial at Montgomery</td>\n",
       "      <td>45</td>\n",
       "      <td>8/29/2013 13:34</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>410</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94117</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>532</th>\n",
       "      <td>4775</td>\n",
       "      <td>1046.0</td>\n",
       "      <td>8/29/2013 17:08</td>\n",
       "      <td>Spear at Folsom</td>\n",
       "      <td>49</td>\n",
       "      <td>8/29/2013 17:26</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>343</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94607</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>533</th>\n",
       "      <td>4688</td>\n",
       "      <td>1047.0</td>\n",
       "      <td>8/29/2013 16:00</td>\n",
       "      <td>Spear at Folsom</td>\n",
       "      <td>49</td>\n",
       "      <td>8/29/2013 16:17</td>\n",
       "      <td>Civic Center BART (7th at Market)</td>\n",
       "      <td>72</td>\n",
       "      <td>347</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94109</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>534</th>\n",
       "      <td>4438</td>\n",
       "      <td>1050.0</td>\n",
       "      <td>8/29/2013 12:55</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>8/29/2013 13:12</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>594</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94709</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>537</th>\n",
       "      <td>4852</td>\n",
       "      <td>1055.0</td>\n",
       "      <td>8/29/2013 17:55</td>\n",
       "      <td>Post at Kearney</td>\n",
       "      <td>47</td>\n",
       "      <td>8/29/2013 18:13</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>284</td>\n",
       "      <td>Customer</td>\n",
       "      <td>2151</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>541</th>\n",
       "      <td>4206</td>\n",
       "      <td>1066.0</td>\n",
       "      <td>8/29/2013 11:09</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>8/29/2013 11:27</td>\n",
       "      <td>Steuart at Market</td>\n",
       "      <td>74</td>\n",
       "      <td>632</td>\n",
       "      <td>Customer</td>\n",
       "      <td>98034</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>544</th>\n",
       "      <td>4733</td>\n",
       "      <td>1072.0</td>\n",
       "      <td>8/29/2013 16:40</td>\n",
       "      <td>Post at Kearney</td>\n",
       "      <td>47</td>\n",
       "      <td>8/29/2013 16:58</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>538</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94114</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>546</th>\n",
       "      <td>5049</td>\n",
       "      <td>1075.0</td>\n",
       "      <td>8/29/2013 21:00</td>\n",
       "      <td>San Jose Civic Center</td>\n",
       "      <td>3</td>\n",
       "      <td>8/29/2013 21:18</td>\n",
       "      <td>Santa Clara at Almaden</td>\n",
       "      <td>4</td>\n",
       "      <td>68</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>547</th>\n",
       "      <td>4555</td>\n",
       "      <td>1077.0</td>\n",
       "      <td>8/29/2013 13:55</td>\n",
       "      <td>Yerba Buena Center of the Arts (3rd @ Howard)</td>\n",
       "      <td>68</td>\n",
       "      <td>8/29/2013 14:13</td>\n",
       "      <td>Mechanics Plaza (Market at Battery)</td>\n",
       "      <td>75</td>\n",
       "      <td>557</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94702</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>548</th>\n",
       "      <td>4888</td>\n",
       "      <td>1077.0</td>\n",
       "      <td>8/29/2013 18:16</td>\n",
       "      <td>2nd at Townsend</td>\n",
       "      <td>61</td>\n",
       "      <td>8/29/2013 18:34</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>309</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94121</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>552</th>\n",
       "      <td>4511</td>\n",
       "      <td>1088.0</td>\n",
       "      <td>8/29/2013 13:32</td>\n",
       "      <td>California Ave Caltrain Station</td>\n",
       "      <td>36</td>\n",
       "      <td>8/29/2013 13:50</td>\n",
       "      <td>University and Emerson</td>\n",
       "      <td>35</td>\n",
       "      <td>93</td>\n",
       "      <td>Customer</td>\n",
       "      <td>10003</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>555</th>\n",
       "      <td>5068</td>\n",
       "      <td>1096.0</td>\n",
       "      <td>8/29/2013 21:40</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>8/29/2013 21:58</td>\n",
       "      <td>Civic Center BART (7th at Market)</td>\n",
       "      <td>72</td>\n",
       "      <td>571</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>558</th>\n",
       "      <td>4767</td>\n",
       "      <td>1101.0</td>\n",
       "      <td>8/29/2013 17:05</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>8/29/2013 17:23</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>395</td>\n",
       "      <td>Customer</td>\n",
       "      <td>77520</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>561</th>\n",
       "      <td>5048</td>\n",
       "      <td>1107.0</td>\n",
       "      <td>8/29/2013 21:00</td>\n",
       "      <td>San Jose Civic Center</td>\n",
       "      <td>3</td>\n",
       "      <td>8/29/2013 21:18</td>\n",
       "      <td>Santa Clara at Almaden</td>\n",
       "      <td>4</td>\n",
       "      <td>188</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>564</th>\n",
       "      <td>4509</td>\n",
       "      <td>1111.0</td>\n",
       "      <td>8/29/2013 13:31</td>\n",
       "      <td>California Ave Caltrain Station</td>\n",
       "      <td>36</td>\n",
       "      <td>8/29/2013 13:50</td>\n",
       "      <td>University and Emerson</td>\n",
       "      <td>35</td>\n",
       "      <td>87</td>\n",
       "      <td>Customer</td>\n",
       "      <td>10003</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>568</th>\n",
       "      <td>4727</td>\n",
       "      <td>1126.0</td>\n",
       "      <td>8/29/2013 16:35</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>8/29/2013 16:54</td>\n",
       "      <td>Washington at Kearney</td>\n",
       "      <td>46</td>\n",
       "      <td>556</td>\n",
       "      <td>Customer</td>\n",
       "      <td>19714</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>570</th>\n",
       "      <td>4682</td>\n",
       "      <td>1129.0</td>\n",
       "      <td>8/29/2013 15:55</td>\n",
       "      <td>Clay at Battery</td>\n",
       "      <td>41</td>\n",
       "      <td>8/29/2013 16:14</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>382</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94115</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>572</th>\n",
       "      <td>4819</td>\n",
       "      <td>1133.0</td>\n",
       "      <td>8/29/2013 17:34</td>\n",
       "      <td>University and Emerson</td>\n",
       "      <td>35</td>\n",
       "      <td>8/29/2013 17:52</td>\n",
       "      <td>California Ave Caltrain Station</td>\n",
       "      <td>36</td>\n",
       "      <td>16</td>\n",
       "      <td>Customer</td>\n",
       "      <td>10003</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>574</th>\n",
       "      <td>4708</td>\n",
       "      <td>1137.0</td>\n",
       "      <td>8/29/2013 16:16</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>8/29/2013 16:35</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>580</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94115</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>575</th>\n",
       "      <td>4707</td>\n",
       "      <td>1138.0</td>\n",
       "      <td>8/29/2013 16:16</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>8/29/2013 16:35</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>602</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94115</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>576</th>\n",
       "      <td>4726</td>\n",
       "      <td>1140.0</td>\n",
       "      <td>8/29/2013 16:35</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>8/29/2013 16:54</td>\n",
       "      <td>Washington at Kearney</td>\n",
       "      <td>46</td>\n",
       "      <td>493</td>\n",
       "      <td>Customer</td>\n",
       "      <td>19714</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>578</th>\n",
       "      <td>4712</td>\n",
       "      <td>1142.0</td>\n",
       "      <td>8/29/2013 16:20</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>8/29/2013 16:39</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>395</td>\n",
       "      <td>Customer</td>\n",
       "      <td>77520</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>579</th>\n",
       "      <td>4843</td>\n",
       "      <td>1147.0</td>\n",
       "      <td>8/29/2013 17:50</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>8/29/2013 18:09</td>\n",
       "      <td>Mechanics Plaza (Market at Battery)</td>\n",
       "      <td>75</td>\n",
       "      <td>547</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94112</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>580</th>\n",
       "      <td>5094</td>\n",
       "      <td>1149.0</td>\n",
       "      <td>8/29/2013 22:13</td>\n",
       "      <td>Spear at Folsom</td>\n",
       "      <td>49</td>\n",
       "      <td>8/29/2013 22:33</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>283</td>\n",
       "      <td>Customer</td>\n",
       "      <td>92648</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>583</th>\n",
       "      <td>4658</td>\n",
       "      <td>1152.0</td>\n",
       "      <td>8/29/2013 15:31</td>\n",
       "      <td>Commercial at Montgomery</td>\n",
       "      <td>45</td>\n",
       "      <td>8/29/2013 15:50</td>\n",
       "      <td>Commercial at Montgomery</td>\n",
       "      <td>45</td>\n",
       "      <td>435</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94122</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669880</th>\n",
       "      <td>433063</td>\n",
       "      <td>13635.0</td>\n",
       "      <td>9/1/2014 11:32</td>\n",
       "      <td>Palo Alto Caltrain Station</td>\n",
       "      <td>34</td>\n",
       "      <td>9/1/2014 15:19</td>\n",
       "      <td>Palo Alto Caltrain Station</td>\n",
       "      <td>34</td>\n",
       "      <td>663</td>\n",
       "      <td>Customer</td>\n",
       "      <td>97401</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669884</th>\n",
       "      <td>433057</td>\n",
       "      <td>1429.0</td>\n",
       "      <td>9/1/2014 11:14</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>9/1/2014 11:37</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>410</td>\n",
       "      <td>Customer</td>\n",
       "      <td>89123</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669885</th>\n",
       "      <td>433056</td>\n",
       "      <td>1596.0</td>\n",
       "      <td>9/1/2014 11:11</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>9/1/2014 11:38</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>622</td>\n",
       "      <td>Customer</td>\n",
       "      <td>89123</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669886</th>\n",
       "      <td>433055</td>\n",
       "      <td>1711.0</td>\n",
       "      <td>9/1/2014 11:01</td>\n",
       "      <td>San Francisco City Hall</td>\n",
       "      <td>58</td>\n",
       "      <td>9/1/2014 11:29</td>\n",
       "      <td>San Francisco City Hall</td>\n",
       "      <td>58</td>\n",
       "      <td>546</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669887</th>\n",
       "      <td>433054</td>\n",
       "      <td>1750.0</td>\n",
       "      <td>9/1/2014 11:00</td>\n",
       "      <td>San Francisco City Hall</td>\n",
       "      <td>58</td>\n",
       "      <td>9/1/2014 11:29</td>\n",
       "      <td>San Francisco City Hall</td>\n",
       "      <td>58</td>\n",
       "      <td>393</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669888</th>\n",
       "      <td>433052</td>\n",
       "      <td>2255.0</td>\n",
       "      <td>9/1/2014 10:56</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>9/1/2014 11:34</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>383</td>\n",
       "      <td>Customer</td>\n",
       "      <td>29607</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669889</th>\n",
       "      <td>433051</td>\n",
       "      <td>2278.0</td>\n",
       "      <td>9/1/2014 10:56</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>9/1/2014 11:34</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>549</td>\n",
       "      <td>Customer</td>\n",
       "      <td>29609</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669891</th>\n",
       "      <td>433049</td>\n",
       "      <td>6999.0</td>\n",
       "      <td>9/1/2014 10:51</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>9/1/2014 12:48</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>212</td>\n",
       "      <td>Customer</td>\n",
       "      <td>73116</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669893</th>\n",
       "      <td>433047</td>\n",
       "      <td>7027.0</td>\n",
       "      <td>9/1/2014 10:51</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>9/1/2014 12:48</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>636</td>\n",
       "      <td>Customer</td>\n",
       "      <td>73116</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669894</th>\n",
       "      <td>433044</td>\n",
       "      <td>7196.0</td>\n",
       "      <td>9/1/2014 10:48</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>9/1/2014 12:48</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>548</td>\n",
       "      <td>Customer</td>\n",
       "      <td>75206</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669896</th>\n",
       "      <td>433042</td>\n",
       "      <td>1274.0</td>\n",
       "      <td>9/1/2014 10:45</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>9/1/2014 11:06</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>318</td>\n",
       "      <td>Customer</td>\n",
       "      <td>90405</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669897</th>\n",
       "      <td>433041</td>\n",
       "      <td>1271.0</td>\n",
       "      <td>9/1/2014 10:45</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>9/1/2014 11:06</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>330</td>\n",
       "      <td>Customer</td>\n",
       "      <td>90405</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669911</th>\n",
       "      <td>433026</td>\n",
       "      <td>1631.0</td>\n",
       "      <td>9/1/2014 10:17</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>9/1/2014 10:44</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>549</td>\n",
       "      <td>Customer</td>\n",
       "      <td>11231</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669912</th>\n",
       "      <td>433025</td>\n",
       "      <td>1631.0</td>\n",
       "      <td>9/1/2014 10:17</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>9/1/2014 10:44</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>416</td>\n",
       "      <td>Customer</td>\n",
       "      <td>11231</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669917</th>\n",
       "      <td>433019</td>\n",
       "      <td>1007.0</td>\n",
       "      <td>9/1/2014 10:00</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>9/1/2014 10:17</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>466</td>\n",
       "      <td>Customer</td>\n",
       "      <td>32</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669918</th>\n",
       "      <td>433018</td>\n",
       "      <td>1023.0</td>\n",
       "      <td>9/1/2014 9:59</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>9/1/2014 10:17</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>86</td>\n",
       "      <td>Customer</td>\n",
       "      <td>32</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669919</th>\n",
       "      <td>433017</td>\n",
       "      <td>1051.0</td>\n",
       "      <td>9/1/2014 9:59</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>9/1/2014 10:17</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>461</td>\n",
       "      <td>Customer</td>\n",
       "      <td>32</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669924</th>\n",
       "      <td>433008</td>\n",
       "      <td>1247.0</td>\n",
       "      <td>9/1/2014 9:49</td>\n",
       "      <td>Embarcadero at Folsom</td>\n",
       "      <td>51</td>\n",
       "      <td>9/1/2014 10:10</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>389</td>\n",
       "      <td>Customer</td>\n",
       "      <td>90004</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669925</th>\n",
       "      <td>433007</td>\n",
       "      <td>1238.0</td>\n",
       "      <td>9/1/2014 9:49</td>\n",
       "      <td>Embarcadero at Folsom</td>\n",
       "      <td>51</td>\n",
       "      <td>9/1/2014 10:10</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>431</td>\n",
       "      <td>Customer</td>\n",
       "      <td>90004</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669930</th>\n",
       "      <td>433002</td>\n",
       "      <td>23767.0</td>\n",
       "      <td>9/1/2014 9:29</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>9/1/2014 16:05</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>625</td>\n",
       "      <td>Customer</td>\n",
       "      <td>31100</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669931</th>\n",
       "      <td>433001</td>\n",
       "      <td>23783.0</td>\n",
       "      <td>9/1/2014 9:29</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>9/1/2014 16:05</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>878</td>\n",
       "      <td>Customer</td>\n",
       "      <td>31100</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669935</th>\n",
       "      <td>432995</td>\n",
       "      <td>7508.0</td>\n",
       "      <td>9/1/2014 8:55</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>9/1/2014 11:00</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>535</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669936</th>\n",
       "      <td>432994</td>\n",
       "      <td>7503.0</td>\n",
       "      <td>9/1/2014 8:55</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>9/1/2014 11:00</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>400</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669939</th>\n",
       "      <td>432981</td>\n",
       "      <td>1536.0</td>\n",
       "      <td>9/1/2014 8:31</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>9/1/2014 8:57</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>317</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669940</th>\n",
       "      <td>432980</td>\n",
       "      <td>1545.0</td>\n",
       "      <td>9/1/2014 8:31</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>9/1/2014 8:57</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>590</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669944</th>\n",
       "      <td>432972</td>\n",
       "      <td>6937.0</td>\n",
       "      <td>9/1/2014 8:16</td>\n",
       "      <td>Post at Kearny</td>\n",
       "      <td>47</td>\n",
       "      <td>9/1/2014 10:12</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>357</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669947</th>\n",
       "      <td>432966</td>\n",
       "      <td>17396.0</td>\n",
       "      <td>9/1/2014 7:37</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>9/1/2014 12:27</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>140</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94085</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669948</th>\n",
       "      <td>432965</td>\n",
       "      <td>17297.0</td>\n",
       "      <td>9/1/2014 7:37</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>9/1/2014 12:25</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>57</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94085</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669950</th>\n",
       "      <td>432960</td>\n",
       "      <td>5667.0</td>\n",
       "      <td>9/1/2014 7:03</td>\n",
       "      <td>Japantown</td>\n",
       "      <td>9</td>\n",
       "      <td>9/1/2014 8:38</td>\n",
       "      <td>Japantown</td>\n",
       "      <td>9</td>\n",
       "      <td>56</td>\n",
       "      <td>Customer</td>\n",
       "      <td>95112</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669955</th>\n",
       "      <td>432950</td>\n",
       "      <td>6712.0</td>\n",
       "      <td>9/1/2014 3:16</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>9/1/2014 5:08</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>259</td>\n",
       "      <td>Customer</td>\n",
       "      <td>44100</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>57067 rows × 11 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "            id  duration       start_date  \\\n",
       "520       4948    1010.0  8/29/2013 19:10   \n",
       "521       4568    1013.0  8/29/2013 14:06   \n",
       "525       5007    1016.0  8/29/2013 20:11   \n",
       "528       4813    1030.0  8/29/2013 17:31   \n",
       "529       4254    1032.0  8/29/2013 11:31   \n",
       "531       4485    1040.0  8/29/2013 13:16   \n",
       "532       4775    1046.0  8/29/2013 17:08   \n",
       "533       4688    1047.0  8/29/2013 16:00   \n",
       "534       4438    1050.0  8/29/2013 12:55   \n",
       "537       4852    1055.0  8/29/2013 17:55   \n",
       "541       4206    1066.0  8/29/2013 11:09   \n",
       "544       4733    1072.0  8/29/2013 16:40   \n",
       "546       5049    1075.0  8/29/2013 21:00   \n",
       "547       4555    1077.0  8/29/2013 13:55   \n",
       "548       4888    1077.0  8/29/2013 18:16   \n",
       "552       4511    1088.0  8/29/2013 13:32   \n",
       "555       5068    1096.0  8/29/2013 21:40   \n",
       "558       4767    1101.0  8/29/2013 17:05   \n",
       "561       5048    1107.0  8/29/2013 21:00   \n",
       "564       4509    1111.0  8/29/2013 13:31   \n",
       "568       4727    1126.0  8/29/2013 16:35   \n",
       "570       4682    1129.0  8/29/2013 15:55   \n",
       "572       4819    1133.0  8/29/2013 17:34   \n",
       "574       4708    1137.0  8/29/2013 16:16   \n",
       "575       4707    1138.0  8/29/2013 16:16   \n",
       "576       4726    1140.0  8/29/2013 16:35   \n",
       "578       4712    1142.0  8/29/2013 16:20   \n",
       "579       4843    1147.0  8/29/2013 17:50   \n",
       "580       5094    1149.0  8/29/2013 22:13   \n",
       "583       4658    1152.0  8/29/2013 15:31   \n",
       "...        ...       ...              ...   \n",
       "669880  433063   13635.0   9/1/2014 11:32   \n",
       "669884  433057    1429.0   9/1/2014 11:14   \n",
       "669885  433056    1596.0   9/1/2014 11:11   \n",
       "669886  433055    1711.0   9/1/2014 11:01   \n",
       "669887  433054    1750.0   9/1/2014 11:00   \n",
       "669888  433052    2255.0   9/1/2014 10:56   \n",
       "669889  433051    2278.0   9/1/2014 10:56   \n",
       "669891  433049    6999.0   9/1/2014 10:51   \n",
       "669893  433047    7027.0   9/1/2014 10:51   \n",
       "669894  433044    7196.0   9/1/2014 10:48   \n",
       "669896  433042    1274.0   9/1/2014 10:45   \n",
       "669897  433041    1271.0   9/1/2014 10:45   \n",
       "669911  433026    1631.0   9/1/2014 10:17   \n",
       "669912  433025    1631.0   9/1/2014 10:17   \n",
       "669917  433019    1007.0   9/1/2014 10:00   \n",
       "669918  433018    1023.0    9/1/2014 9:59   \n",
       "669919  433017    1051.0    9/1/2014 9:59   \n",
       "669924  433008    1247.0    9/1/2014 9:49   \n",
       "669925  433007    1238.0    9/1/2014 9:49   \n",
       "669930  433002   23767.0    9/1/2014 9:29   \n",
       "669931  433001   23783.0    9/1/2014 9:29   \n",
       "669935  432995    7508.0    9/1/2014 8:55   \n",
       "669936  432994    7503.0    9/1/2014 8:55   \n",
       "669939  432981    1536.0    9/1/2014 8:31   \n",
       "669940  432980    1545.0    9/1/2014 8:31   \n",
       "669944  432972    6937.0    9/1/2014 8:16   \n",
       "669947  432966   17396.0    9/1/2014 7:37   \n",
       "669948  432965   17297.0    9/1/2014 7:37   \n",
       "669950  432960    5667.0    9/1/2014 7:03   \n",
       "669955  432950    6712.0    9/1/2014 3:16   \n",
       "\n",
       "                                   start_station_name  start_station_id  \\\n",
       "520                            Embarcadero at Sansome                60   \n",
       "521                          South Van Ness at Market                66   \n",
       "525             Rengstorff Avenue / California Street                33   \n",
       "528                                    Market at 10th                67   \n",
       "529           San Francisco Caltrain 2 (330 Townsend)                69   \n",
       "531                          Commercial at Montgomery                45   \n",
       "532                                   Spear at Folsom                49   \n",
       "533                                   Spear at Folsom                49   \n",
       "534              Harry Bridges Plaza (Ferry Building)                50   \n",
       "537                                   Post at Kearney                47   \n",
       "541                                    Market at 10th                67   \n",
       "544                                   Post at Kearney                47   \n",
       "546                             San Jose Civic Center                 3   \n",
       "547     Yerba Buena Center of the Arts (3rd @ Howard)                68   \n",
       "548                                   2nd at Townsend                61   \n",
       "552                   California Ave Caltrain Station                36   \n",
       "555                            Embarcadero at Vallejo                48   \n",
       "558                                   Townsend at 7th                65   \n",
       "561                             San Jose Civic Center                 3   \n",
       "564                   California Ave Caltrain Station                36   \n",
       "568                            Embarcadero at Sansome                60   \n",
       "570                                   Clay at Battery                41   \n",
       "572                            University and Emerson                35   \n",
       "574          San Francisco Caltrain (Townsend at 4th)                70   \n",
       "575          San Francisco Caltrain (Townsend at 4th)                70   \n",
       "576                            Embarcadero at Sansome                60   \n",
       "578                            Embarcadero at Sansome                60   \n",
       "579                                 Market at Sansome                77   \n",
       "580                                   Spear at Folsom                49   \n",
       "583                          Commercial at Montgomery                45   \n",
       "...                                               ...               ...   \n",
       "669880                     Palo Alto Caltrain Station                34   \n",
       "669884           Harry Bridges Plaza (Ferry Building)                50   \n",
       "669885           Harry Bridges Plaza (Ferry Building)                50   \n",
       "669886                        San Francisco City Hall                58   \n",
       "669887                        San Francisco City Hall                58   \n",
       "669888                         Embarcadero at Sansome                60   \n",
       "669889                         Embarcadero at Sansome                60   \n",
       "669891                Grant Avenue at Columbus Avenue                73   \n",
       "669893                Grant Avenue at Columbus Avenue                73   \n",
       "669894                Grant Avenue at Columbus Avenue                73   \n",
       "669896                                  5th at Howard                57   \n",
       "669897                                  5th at Howard                57   \n",
       "669911                Grant Avenue at Columbus Avenue                73   \n",
       "669912                Grant Avenue at Columbus Avenue                73   \n",
       "669917                                  5th at Howard                57   \n",
       "669918                                  5th at Howard                57   \n",
       "669919                                  5th at Howard                57   \n",
       "669924                          Embarcadero at Folsom                51   \n",
       "669925                          Embarcadero at Folsom                51   \n",
       "669930                                  Market at 4th                76   \n",
       "669931                                  Market at 4th                76   \n",
       "669935                  Powell at Post (Union Square)                71   \n",
       "669936                  Powell at Post (Union Square)                71   \n",
       "669939                                  Market at 4th                76   \n",
       "669940                                  Market at 4th                76   \n",
       "669944                                 Post at Kearny                47   \n",
       "669947                        Mountain View City Hall                27   \n",
       "669948                        Mountain View City Hall                27   \n",
       "669950                                      Japantown                 9   \n",
       "669955           Harry Bridges Plaza (Ferry Building)                50   \n",
       "\n",
       "               end_date                          end_station_name  \\\n",
       "520     8/29/2013 19:27             Powell at Post (Union Square)   \n",
       "521     8/29/2013 14:22                         Steuart at Market   \n",
       "525     8/29/2013 20:28     Rengstorff Avenue / California Street   \n",
       "528     8/29/2013 17:48                    Embarcadero at Sansome   \n",
       "529     8/29/2013 11:48   San Francisco Caltrain 2 (330 Townsend)   \n",
       "531     8/29/2013 13:34                            Market at 10th   \n",
       "532     8/29/2013 17:26                    Embarcadero at Sansome   \n",
       "533     8/29/2013 16:17         Civic Center BART (7th at Market)   \n",
       "534     8/29/2013 13:12                         Market at Sansome   \n",
       "537     8/29/2013 18:13           Grant Avenue at Columbus Avenue   \n",
       "541     8/29/2013 11:27                         Steuart at Market   \n",
       "544     8/29/2013 16:58                    Embarcadero at Sansome   \n",
       "546     8/29/2013 21:18                    Santa Clara at Almaden   \n",
       "547     8/29/2013 14:13       Mechanics Plaza (Market at Battery)   \n",
       "548     8/29/2013 18:34           Grant Avenue at Columbus Avenue   \n",
       "552     8/29/2013 13:50                    University and Emerson   \n",
       "555     8/29/2013 21:58         Civic Center BART (7th at Market)   \n",
       "558     8/29/2013 17:23                    Embarcadero at Sansome   \n",
       "561     8/29/2013 21:18                    Santa Clara at Almaden   \n",
       "564     8/29/2013 13:50                    University and Emerson   \n",
       "568     8/29/2013 16:54                     Washington at Kearney   \n",
       "570     8/29/2013 16:14  San Francisco Caltrain (Townsend at 4th)   \n",
       "572     8/29/2013 17:52           California Ave Caltrain Station   \n",
       "574     8/29/2013 16:35  San Francisco Caltrain (Townsend at 4th)   \n",
       "575     8/29/2013 16:35  San Francisco Caltrain (Townsend at 4th)   \n",
       "576     8/29/2013 16:54                     Washington at Kearney   \n",
       "578     8/29/2013 16:39                           Townsend at 7th   \n",
       "579     8/29/2013 18:09       Mechanics Plaza (Market at Battery)   \n",
       "580     8/29/2013 22:33           Grant Avenue at Columbus Avenue   \n",
       "583     8/29/2013 15:50                  Commercial at Montgomery   \n",
       "...                 ...                                       ...   \n",
       "669880   9/1/2014 15:19                Palo Alto Caltrain Station   \n",
       "669884   9/1/2014 11:37                            Market at 10th   \n",
       "669885   9/1/2014 11:38                            Market at 10th   \n",
       "669886   9/1/2014 11:29                   San Francisco City Hall   \n",
       "669887   9/1/2014 11:29                   San Francisco City Hall   \n",
       "669888   9/1/2014 11:34                    Embarcadero at Sansome   \n",
       "669889   9/1/2014 11:34                    Embarcadero at Sansome   \n",
       "669891   9/1/2014 12:48                         Market at Sansome   \n",
       "669893   9/1/2014 12:48                         Market at Sansome   \n",
       "669894   9/1/2014 12:48                         Market at Sansome   \n",
       "669896   9/1/2014 11:06           Grant Avenue at Columbus Avenue   \n",
       "669897   9/1/2014 11:06           Grant Avenue at Columbus Avenue   \n",
       "669911   9/1/2014 10:44                    Embarcadero at Sansome   \n",
       "669912   9/1/2014 10:44                    Embarcadero at Sansome   \n",
       "669917   9/1/2014 10:17                    Embarcadero at Sansome   \n",
       "669918   9/1/2014 10:17                    Embarcadero at Sansome   \n",
       "669919   9/1/2014 10:17                    Embarcadero at Sansome   \n",
       "669924   9/1/2014 10:10                    Embarcadero at Sansome   \n",
       "669925   9/1/2014 10:10                    Embarcadero at Sansome   \n",
       "669930   9/1/2014 16:05             Powell at Post (Union Square)   \n",
       "669931   9/1/2014 16:05             Powell at Post (Union Square)   \n",
       "669935   9/1/2014 11:00             Powell at Post (Union Square)   \n",
       "669936   9/1/2014 11:00             Powell at Post (Union Square)   \n",
       "669939    9/1/2014 8:57                    Embarcadero at Sansome   \n",
       "669940    9/1/2014 8:57                    Embarcadero at Sansome   \n",
       "669944   9/1/2014 10:12                         Market at Sansome   \n",
       "669947   9/1/2014 12:27                   Mountain View City Hall   \n",
       "669948   9/1/2014 12:25                   Mountain View City Hall   \n",
       "669950    9/1/2014 8:38                                 Japantown   \n",
       "669955    9/1/2014 5:08  San Francisco Caltrain (Townsend at 4th)   \n",
       "\n",
       "        end_station_id  bike_id subscription_type zip_code  \n",
       "520                 71      492          Customer    94609  \n",
       "521                 74      525          Customer    94102  \n",
       "525                 33       11          Customer    94040  \n",
       "528                 60      464          Customer    94117  \n",
       "529                 69      541          Customer    94117  \n",
       "531                 67      410          Customer    94117  \n",
       "532                 60      343          Customer    94607  \n",
       "533                 72      347          Customer    94109  \n",
       "534                 77      594          Customer    94709  \n",
       "537                 73      284          Customer     2151  \n",
       "541                 74      632          Customer    98034  \n",
       "544                 60      538          Customer    94114  \n",
       "546                  4       68          Customer      NaN  \n",
       "547                 75      557          Customer    94702  \n",
       "548                 73      309          Customer    94121  \n",
       "552                 35       93          Customer    10003  \n",
       "555                 72      571          Customer      NaN  \n",
       "558                 60      395          Customer    77520  \n",
       "561                  4      188          Customer      NaN  \n",
       "564                 35       87          Customer    10003  \n",
       "568                 46      556          Customer    19714  \n",
       "570                 70      382          Customer    94115  \n",
       "572                 36       16          Customer    10003  \n",
       "574                 70      580          Customer    94115  \n",
       "575                 70      602          Customer    94115  \n",
       "576                 46      493          Customer    19714  \n",
       "578                 65      395          Customer    77520  \n",
       "579                 75      547          Customer    94112  \n",
       "580                 73      283          Customer    92648  \n",
       "583                 45      435          Customer    94122  \n",
       "...                ...      ...               ...      ...  \n",
       "669880              34      663          Customer    97401  \n",
       "669884              67      410          Customer    89123  \n",
       "669885              67      622          Customer    89123  \n",
       "669886              58      546          Customer      nil  \n",
       "669887              58      393          Customer      nil  \n",
       "669888              60      383          Customer    29607  \n",
       "669889              60      549          Customer    29609  \n",
       "669891              77      212          Customer    73116  \n",
       "669893              77      636          Customer    73116  \n",
       "669894              77      548          Customer    75206  \n",
       "669896              73      318          Customer    90405  \n",
       "669897              73      330          Customer    90405  \n",
       "669911              60      549          Customer    11231  \n",
       "669912              60      416          Customer    11231  \n",
       "669917              60      466          Customer       32  \n",
       "669918              60       86          Customer       32  \n",
       "669919              60      461          Customer       32  \n",
       "669924              60      389          Customer    90004  \n",
       "669925              60      431          Customer    90004  \n",
       "669930              71      625          Customer    31100  \n",
       "669931              71      878          Customer    31100  \n",
       "669935              71      535          Customer      nil  \n",
       "669936              71      400          Customer      nil  \n",
       "669939              60      317          Customer      nil  \n",
       "669940              60      590          Customer      nil  \n",
       "669944              77      357          Customer      nil  \n",
       "669947              27      140          Customer    94085  \n",
       "669948              27       57          Customer    94085  \n",
       "669950               9       56          Customer    95112  \n",
       "669955              70      259          Customer    44100  \n",
       "\n",
       "[57067 rows x 11 columns]"
      ]
     },
     "execution_count": 25,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data.loc[(trips_data['duration'] >= 1000)&(trips_data['subscription_type']=='Customer')]"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Difference between loc and simple slicing\n",
    "\n",
    ".loc searches are faster on scale as they are optimised for locating based on the indices. Moreover complex conditions cannot be passed in simple slicing"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "59.9 ms ± 3.08 ms per loop (mean ± std. dev. of 7 runs, 50 loops each)\n"
     ]
    }
   ],
   "source": [
    "%%timeit -n 50\n",
    "trips_data.loc[trips_data['subscription_type']=='Customer']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 34,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "60 ms ± 2.07 ms per loop (mean ± std. dev. of 7 runs, 50 loops each)\n"
     ]
    }
   ],
   "source": [
    "%%timeit -n 50\n",
    "trips_data[trips_data['subscription_type']=='Customer']"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Subsetting with masks\n",
    "\n",
    "> Subsetting using isnull( ), isin( ) and other similar functions which give boolean results"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 35,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>id</th>\n",
       "      <th>duration</th>\n",
       "      <th>start_date</th>\n",
       "      <th>start_station_name</th>\n",
       "      <th>start_station_id</th>\n",
       "      <th>end_date</th>\n",
       "      <th>end_station_name</th>\n",
       "      <th>end_station_id</th>\n",
       "      <th>bike_id</th>\n",
       "      <th>subscription_type</th>\n",
       "      <th>zip_code</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
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       "      <td>False</td>\n",
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       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
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       "      <th>1</th>\n",
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       "      <td>False</td>\n",
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       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>True</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>10</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>11</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>12</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>13</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>15</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>16</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>17</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>18</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>19</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>20</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>21</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>22</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>23</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>24</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>25</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>26</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>27</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>28</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>29</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
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       "      <td>...</td>\n",
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       "      <td>False</td>\n",
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       "      <td>False</td>\n",
       "      <td>False</td>\n",
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       "      <td>False</td>\n",
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       "      <td>False</td>\n",
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       "      <td>False</td>\n",
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       "      <th>669936</th>\n",
       "      <td>False</td>\n",
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       "      <td>False</td>\n",
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       "      <td>False</td>\n",
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       "      <td>False</td>\n",
       "      <td>False</td>\n",
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       "      <td>False</td>\n",
       "      <td>False</td>\n",
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       "      <th>669938</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
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       "      <td>False</td>\n",
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       "      <td>False</td>\n",
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       "      <td>False</td>\n",
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       "      <td>False</td>\n",
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       "      <td>False</td>\n",
       "      <td>False</td>\n",
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       "      <th>669944</th>\n",
       "      <td>False</td>\n",
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       "      <td>False</td>\n",
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       "      <td>False</td>\n",
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       "      <td>False</td>\n",
       "      <td>False</td>\n",
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       "      <td>False</td>\n",
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       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
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       "      <td>False</td>\n",
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       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
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       "      <td>False</td>\n",
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       "      <td>False</td>\n",
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       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
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       "      <th>669951</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
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       "      <td>False</td>\n",
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       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
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       "      <th>669952</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
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       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669953</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669954</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669955</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669956</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669957</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669958</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>669959 rows × 11 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "           id  duration  start_date  start_station_name  start_station_id  \\\n",
       "0       False     False       False               False             False   \n",
       "1       False     False       False               False             False   \n",
       "2       False     False       False               False             False   \n",
       "3       False     False       False               False             False   \n",
       "4       False     False       False               False             False   \n",
       "5       False     False       False               False             False   \n",
       "6       False     False       False               False             False   \n",
       "7       False     False       False               False             False   \n",
       "8       False     False       False               False             False   \n",
       "9       False     False       False               False             False   \n",
       "10      False     False       False               False             False   \n",
       "11      False     False       False               False             False   \n",
       "12      False     False       False               False             False   \n",
       "13      False     False       False               False             False   \n",
       "14      False     False       False               False             False   \n",
       "15      False     False       False               False             False   \n",
       "16      False     False       False               False             False   \n",
       "17      False     False       False               False             False   \n",
       "18      False     False       False               False             False   \n",
       "19      False     False       False               False             False   \n",
       "20      False     False       False               False             False   \n",
       "21      False     False       False               False             False   \n",
       "22      False     False       False               False             False   \n",
       "23      False     False       False               False             False   \n",
       "24      False     False       False               False             False   \n",
       "25      False     False       False               False             False   \n",
       "26      False     False       False               False             False   \n",
       "27      False     False       False               False             False   \n",
       "28      False     False       False               False             False   \n",
       "29      False     False       False               False             False   \n",
       "...       ...       ...         ...                 ...               ...   \n",
       "669929  False     False       False               False             False   \n",
       "669930  False     False       False               False             False   \n",
       "669931  False     False       False               False             False   \n",
       "669932  False     False       False               False             False   \n",
       "669933  False     False       False               False             False   \n",
       "669934  False     False       False               False             False   \n",
       "669935  False     False       False               False             False   \n",
       "669936  False     False       False               False             False   \n",
       "669937  False     False       False               False             False   \n",
       "669938  False     False       False               False             False   \n",
       "669939  False     False       False               False             False   \n",
       "669940  False     False       False               False             False   \n",
       "669941  False     False       False               False             False   \n",
       "669942  False     False       False               False             False   \n",
       "669943  False     False       False               False             False   \n",
       "669944  False     False       False               False             False   \n",
       "669945  False     False       False               False             False   \n",
       "669946  False     False       False               False             False   \n",
       "669947  False     False       False               False             False   \n",
       "669948  False     False       False               False             False   \n",
       "669949  False     False       False               False             False   \n",
       "669950  False     False       False               False             False   \n",
       "669951  False     False       False               False             False   \n",
       "669952  False     False       False               False             False   \n",
       "669953  False     False       False               False             False   \n",
       "669954  False     False       False               False             False   \n",
       "669955  False     False       False               False             False   \n",
       "669956  False     False       False               False             False   \n",
       "669957  False     False       False               False             False   \n",
       "669958  False     False       False               False             False   \n",
       "\n",
       "        end_date  end_station_name  end_station_id  bike_id  \\\n",
       "0          False             False           False    False   \n",
       "1          False             False           False    False   \n",
       "2          False             False           False    False   \n",
       "3          False             False           False    False   \n",
       "4          False             False           False    False   \n",
       "5          False             False           False    False   \n",
       "6          False             False           False    False   \n",
       "7          False             False           False    False   \n",
       "8          False             False           False    False   \n",
       "9          False             False           False    False   \n",
       "10         False             False           False    False   \n",
       "11         False             False           False    False   \n",
       "12         False             False           False    False   \n",
       "13         False             False           False    False   \n",
       "14         False             False           False    False   \n",
       "15         False             False           False    False   \n",
       "16         False             False           False    False   \n",
       "17         False             False           False    False   \n",
       "18         False             False           False    False   \n",
       "19         False             False           False    False   \n",
       "20         False             False           False    False   \n",
       "21         False             False           False    False   \n",
       "22         False             False           False    False   \n",
       "23         False             False           False    False   \n",
       "24         False             False           False    False   \n",
       "25         False             False           False    False   \n",
       "26         False             False           False    False   \n",
       "27         False             False           False    False   \n",
       "28         False             False           False    False   \n",
       "29         False             False           False    False   \n",
       "...          ...               ...             ...      ...   \n",
       "669929     False             False           False    False   \n",
       "669930     False             False           False    False   \n",
       "669931     False             False           False    False   \n",
       "669932     False             False           False    False   \n",
       "669933     False             False           False    False   \n",
       "669934     False             False           False    False   \n",
       "669935     False             False           False    False   \n",
       "669936     False             False           False    False   \n",
       "669937     False             False           False    False   \n",
       "669938     False             False           False    False   \n",
       "669939     False             False           False    False   \n",
       "669940     False             False           False    False   \n",
       "669941     False             False           False    False   \n",
       "669942     False             False           False    False   \n",
       "669943     False             False           False    False   \n",
       "669944     False             False           False    False   \n",
       "669945     False             False           False    False   \n",
       "669946     False             False           False    False   \n",
       "669947     False             False           False    False   \n",
       "669948     False             False           False    False   \n",
       "669949     False             False           False    False   \n",
       "669950     False             False           False    False   \n",
       "669951     False             False           False    False   \n",
       "669952     False             False           False    False   \n",
       "669953     False             False           False    False   \n",
       "669954     False             False           False    False   \n",
       "669955     False             False           False    False   \n",
       "669956     False             False           False    False   \n",
       "669957     False             False           False    False   \n",
       "669958     False             False           False    False   \n",
       "\n",
       "        subscription_type  zip_code  \n",
       "0                   False     False  \n",
       "1                   False      True  \n",
       "2                   False     False  \n",
       "3                   False     False  \n",
       "4                   False     False  \n",
       "5                   False     False  \n",
       "6                   False     False  \n",
       "7                   False     False  \n",
       "8                   False     False  \n",
       "9                   False     False  \n",
       "10                  False     False  \n",
       "11                  False     False  \n",
       "12                  False     False  \n",
       "13                  False     False  \n",
       "14                  False     False  \n",
       "15                  False     False  \n",
       "16                  False     False  \n",
       "17                  False     False  \n",
       "18                  False     False  \n",
       "19                  False     False  \n",
       "20                  False     False  \n",
       "21                  False     False  \n",
       "22                  False     False  \n",
       "23                  False     False  \n",
       "24                  False     False  \n",
       "25                  False     False  \n",
       "26                  False     False  \n",
       "27                  False     False  \n",
       "28                  False     False  \n",
       "29                  False     False  \n",
       "...                   ...       ...  \n",
       "669929              False     False  \n",
       "669930              False     False  \n",
       "669931              False     False  \n",
       "669932              False     False  \n",
       "669933              False     False  \n",
       "669934              False     False  \n",
       "669935              False     False  \n",
       "669936              False     False  \n",
       "669937              False     False  \n",
       "669938              False     False  \n",
       "669939              False     False  \n",
       "669940              False     False  \n",
       "669941              False     False  \n",
       "669942              False     False  \n",
       "669943              False     False  \n",
       "669944              False     False  \n",
       "669945              False     False  \n",
       "669946              False     False  \n",
       "669947              False     False  \n",
       "669948              False     False  \n",
       "669949              False     False  \n",
       "669950              False     False  \n",
       "669951              False     False  \n",
       "669952              False     False  \n",
       "669953              False     False  \n",
       "669954              False     False  \n",
       "669955              False     False  \n",
       "669956              False     False  \n",
       "669957              False     False  \n",
       "669958              False     False  \n",
       "\n",
       "[669959 rows x 11 columns]"
      ]
     },
     "execution_count": 35,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data.isnull()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 36,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0         False\n",
       "1          True\n",
       "2         False\n",
       "3         False\n",
       "4         False\n",
       "5         False\n",
       "6         False\n",
       "7         False\n",
       "8         False\n",
       "9         False\n",
       "10        False\n",
       "11        False\n",
       "12        False\n",
       "13        False\n",
       "14        False\n",
       "15        False\n",
       "16        False\n",
       "17        False\n",
       "18        False\n",
       "19        False\n",
       "20        False\n",
       "21        False\n",
       "22        False\n",
       "23        False\n",
       "24        False\n",
       "25        False\n",
       "26        False\n",
       "27        False\n",
       "28        False\n",
       "29        False\n",
       "          ...  \n",
       "669929    False\n",
       "669930    False\n",
       "669931    False\n",
       "669932    False\n",
       "669933    False\n",
       "669934    False\n",
       "669935    False\n",
       "669936    False\n",
       "669937    False\n",
       "669938    False\n",
       "669939    False\n",
       "669940    False\n",
       "669941    False\n",
       "669942    False\n",
       "669943    False\n",
       "669944    False\n",
       "669945    False\n",
       "669946    False\n",
       "669947    False\n",
       "669948    False\n",
       "669949    False\n",
       "669950    False\n",
       "669951    False\n",
       "669952    False\n",
       "669953    False\n",
       "669954    False\n",
       "669955    False\n",
       "669956    False\n",
       "669957    False\n",
       "669958    False\n",
       "Length: 669959, dtype: bool"
      ]
     },
     "execution_count": 36,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data.isnull().any(axis=1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 37,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>id</th>\n",
       "      <th>duration</th>\n",
       "      <th>start_date</th>\n",
       "      <th>start_station_name</th>\n",
       "      <th>start_station_id</th>\n",
       "      <th>end_date</th>\n",
       "      <th>end_station_name</th>\n",
       "      <th>end_station_id</th>\n",
       "      <th>bike_id</th>\n",
       "      <th>subscription_type</th>\n",
       "      <th>zip_code</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>4576</td>\n",
       "      <td>63.0</td>\n",
       "      <td>8/29/2013 14:13</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>8/29/2013 14:14</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>520</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>87</th>\n",
       "      <td>4686</td>\n",
       "      <td>273.0</td>\n",
       "      <td>8/29/2013 15:59</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>8/29/2013 16:03</td>\n",
       "      <td>Temporary Transbay Terminal (Howard at Beale)</td>\n",
       "      <td>55</td>\n",
       "      <td>624</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>182</th>\n",
       "      <td>4655</td>\n",
       "      <td>413.0</td>\n",
       "      <td>8/29/2013 15:29</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>8/29/2013 15:36</td>\n",
       "      <td>Washington at Kearney</td>\n",
       "      <td>46</td>\n",
       "      <td>474</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>191</th>\n",
       "      <td>4309</td>\n",
       "      <td>423.0</td>\n",
       "      <td>8/29/2013 12:04</td>\n",
       "      <td>Steuart at Market</td>\n",
       "      <td>74</td>\n",
       "      <td>8/29/2013 12:11</td>\n",
       "      <td>Embarcadero at Folsom</td>\n",
       "      <td>51</td>\n",
       "      <td>340</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>194</th>\n",
       "      <td>4830</td>\n",
       "      <td>424.0</td>\n",
       "      <td>8/29/2013 17:42</td>\n",
       "      <td>Spear at Folsom</td>\n",
       "      <td>49</td>\n",
       "      <td>8/29/2013 17:49</td>\n",
       "      <td>Yerba Buena Center of the Arts (3rd @ Howard)</td>\n",
       "      <td>68</td>\n",
       "      <td>334</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>254</th>\n",
       "      <td>4969</td>\n",
       "      <td>527.0</td>\n",
       "      <td>8/29/2013 19:36</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>8/29/2013 19:44</td>\n",
       "      <td>Temporary Transbay Terminal (Howard at Beale)</td>\n",
       "      <td>55</td>\n",
       "      <td>353</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>257</th>\n",
       "      <td>4440</td>\n",
       "      <td>534.0</td>\n",
       "      <td>8/29/2013 12:55</td>\n",
       "      <td>Civic Center BART (7th at Market)</td>\n",
       "      <td>72</td>\n",
       "      <td>8/29/2013 13:04</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>430</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>263</th>\n",
       "      <td>4439</td>\n",
       "      <td>540.0</td>\n",
       "      <td>8/29/2013 12:55</td>\n",
       "      <td>Civic Center BART (7th at Market)</td>\n",
       "      <td>72</td>\n",
       "      <td>8/29/2013 13:04</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>390</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>317</th>\n",
       "      <td>4795</td>\n",
       "      <td>621.0</td>\n",
       "      <td>8/29/2013 17:22</td>\n",
       "      <td>Beale at Market</td>\n",
       "      <td>56</td>\n",
       "      <td>8/29/2013 17:32</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>626</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>355</th>\n",
       "      <td>4878</td>\n",
       "      <td>679.0</td>\n",
       "      <td>8/29/2013 18:09</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>8/29/2013 18:21</td>\n",
       "      <td>San Francisco City Hall</td>\n",
       "      <td>58</td>\n",
       "      <td>578</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>382</th>\n",
       "      <td>4346</td>\n",
       "      <td>724.0</td>\n",
       "      <td>8/29/2013 12:14</td>\n",
       "      <td>Embarcadero at Folsom</td>\n",
       "      <td>51</td>\n",
       "      <td>8/29/2013 12:26</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>267</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>388</th>\n",
       "      <td>4586</td>\n",
       "      <td>748.0</td>\n",
       "      <td>8/29/2013 14:17</td>\n",
       "      <td>San Francisco Caltrain 2 (330 Townsend)</td>\n",
       "      <td>69</td>\n",
       "      <td>8/29/2013 14:30</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>541</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>422</th>\n",
       "      <td>4873</td>\n",
       "      <td>813.0</td>\n",
       "      <td>8/29/2013 18:07</td>\n",
       "      <td>Temporary Transbay Terminal (Howard at Beale)</td>\n",
       "      <td>55</td>\n",
       "      <td>8/29/2013 18:20</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>353</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>423</th>\n",
       "      <td>4526</td>\n",
       "      <td>814.0</td>\n",
       "      <td>8/29/2013 13:39</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>8/29/2013 13:53</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>431</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>430</th>\n",
       "      <td>4931</td>\n",
       "      <td>826.0</td>\n",
       "      <td>8/29/2013 18:56</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>8/29/2013 19:10</td>\n",
       "      <td>Yerba Buena Center of the Arts (3rd @ Howard)</td>\n",
       "      <td>68</td>\n",
       "      <td>466</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>439</th>\n",
       "      <td>4523</td>\n",
       "      <td>844.0</td>\n",
       "      <td>8/29/2013 13:38</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>8/29/2013 13:53</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>489</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>449</th>\n",
       "      <td>4380</td>\n",
       "      <td>853.0</td>\n",
       "      <td>8/29/2013 12:29</td>\n",
       "      <td>San Francisco Caltrain 2 (330 Townsend)</td>\n",
       "      <td>69</td>\n",
       "      <td>8/29/2013 12:44</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>574</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>478</th>\n",
       "      <td>4494</td>\n",
       "      <td>913.0</td>\n",
       "      <td>8/29/2013 13:19</td>\n",
       "      <td>Commercial at Montgomery</td>\n",
       "      <td>45</td>\n",
       "      <td>8/29/2013 13:34</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>506</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>482</th>\n",
       "      <td>4449</td>\n",
       "      <td>926.0</td>\n",
       "      <td>8/29/2013 13:01</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>8/29/2013 13:16</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>579</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>484</th>\n",
       "      <td>4845</td>\n",
       "      <td>929.0</td>\n",
       "      <td>8/29/2013 17:50</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>8/29/2013 18:05</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>574</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>536</th>\n",
       "      <td>4268</td>\n",
       "      <td>1055.0</td>\n",
       "      <td>8/29/2013 11:40</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>8/29/2013 11:57</td>\n",
       "      <td>Beale at Market</td>\n",
       "      <td>56</td>\n",
       "      <td>324</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>539</th>\n",
       "      <td>4629</td>\n",
       "      <td>1065.0</td>\n",
       "      <td>8/29/2013 15:03</td>\n",
       "      <td>Davis at Jackson</td>\n",
       "      <td>42</td>\n",
       "      <td>8/29/2013 15:20</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>356</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>546</th>\n",
       "      <td>5049</td>\n",
       "      <td>1075.0</td>\n",
       "      <td>8/29/2013 21:00</td>\n",
       "      <td>San Jose Civic Center</td>\n",
       "      <td>3</td>\n",
       "      <td>8/29/2013 21:18</td>\n",
       "      <td>Santa Clara at Almaden</td>\n",
       "      <td>4</td>\n",
       "      <td>68</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>549</th>\n",
       "      <td>4580</td>\n",
       "      <td>1081.0</td>\n",
       "      <td>8/29/2013 14:14</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>8/29/2013 14:32</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>370</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>555</th>\n",
       "      <td>5068</td>\n",
       "      <td>1096.0</td>\n",
       "      <td>8/29/2013 21:40</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>8/29/2013 21:58</td>\n",
       "      <td>Civic Center BART (7th at Market)</td>\n",
       "      <td>72</td>\n",
       "      <td>571</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>561</th>\n",
       "      <td>5048</td>\n",
       "      <td>1107.0</td>\n",
       "      <td>8/29/2013 21:00</td>\n",
       "      <td>San Jose Civic Center</td>\n",
       "      <td>3</td>\n",
       "      <td>8/29/2013 21:18</td>\n",
       "      <td>Santa Clara at Almaden</td>\n",
       "      <td>4</td>\n",
       "      <td>188</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>589</th>\n",
       "      <td>4900</td>\n",
       "      <td>1168.0</td>\n",
       "      <td>8/29/2013 18:25</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>8/29/2013 18:45</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>377</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>601</th>\n",
       "      <td>4515</td>\n",
       "      <td>1211.0</td>\n",
       "      <td>8/29/2013 13:33</td>\n",
       "      <td>Steuart at Market</td>\n",
       "      <td>74</td>\n",
       "      <td>8/29/2013 13:53</td>\n",
       "      <td>San Francisco City Hall</td>\n",
       "      <td>58</td>\n",
       "      <td>623</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>604</th>\n",
       "      <td>4514</td>\n",
       "      <td>1224.0</td>\n",
       "      <td>8/29/2013 13:33</td>\n",
       "      <td>Steuart at Market</td>\n",
       "      <td>74</td>\n",
       "      <td>8/29/2013 13:53</td>\n",
       "      <td>San Francisco City Hall</td>\n",
       "      <td>58</td>\n",
       "      <td>632</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>618</th>\n",
       "      <td>4284</td>\n",
       "      <td>1281.0</td>\n",
       "      <td>8/29/2013 11:55</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>8/29/2013 12:17</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>584</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664480</th>\n",
       "      <td>440461</td>\n",
       "      <td>246.0</td>\n",
       "      <td>9/5/2014 17:36</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>9/5/2014 17:40</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>631</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664719</th>\n",
       "      <td>440138</td>\n",
       "      <td>311.0</td>\n",
       "      <td>9/5/2014 15:50</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>9/5/2014 15:55</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>405</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664758</th>\n",
       "      <td>440085</td>\n",
       "      <td>924.0</td>\n",
       "      <td>9/5/2014 14:56</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>9/5/2014 15:11</td>\n",
       "      <td>Beale at Market</td>\n",
       "      <td>56</td>\n",
       "      <td>472</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664761</th>\n",
       "      <td>440079</td>\n",
       "      <td>210.0</td>\n",
       "      <td>9/5/2014 14:53</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>9/5/2014 14:57</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>428</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664765</th>\n",
       "      <td>440075</td>\n",
       "      <td>410.0</td>\n",
       "      <td>9/5/2014 14:46</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>9/5/2014 14:53</td>\n",
       "      <td>2nd at South Park</td>\n",
       "      <td>64</td>\n",
       "      <td>570</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664772</th>\n",
       "      <td>440060</td>\n",
       "      <td>1037.0</td>\n",
       "      <td>9/5/2014 14:33</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>9/5/2014 14:50</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>637</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664774</th>\n",
       "      <td>440058</td>\n",
       "      <td>190.0</td>\n",
       "      <td>9/5/2014 14:31</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>9/5/2014 14:35</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>436</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664811</th>\n",
       "      <td>440014</td>\n",
       "      <td>3085.0</td>\n",
       "      <td>9/5/2014 13:39</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>9/5/2014 14:31</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>481</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664812</th>\n",
       "      <td>440013</td>\n",
       "      <td>3272.0</td>\n",
       "      <td>9/5/2014 13:39</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>9/5/2014 14:33</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>630</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664821</th>\n",
       "      <td>440002</td>\n",
       "      <td>311.0</td>\n",
       "      <td>9/5/2014 13:31</td>\n",
       "      <td>Mechanics Plaza (Market at Battery)</td>\n",
       "      <td>75</td>\n",
       "      <td>9/5/2014 13:36</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>625</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664946</th>\n",
       "      <td>439850</td>\n",
       "      <td>323.0</td>\n",
       "      <td>9/5/2014 11:35</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>9/5/2014 11:40</td>\n",
       "      <td>Mechanics Plaza (Market at Battery)</td>\n",
       "      <td>75</td>\n",
       "      <td>541</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>665509</th>\n",
       "      <td>439146</td>\n",
       "      <td>1077.0</td>\n",
       "      <td>9/4/2014 21:41</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>9/4/2014 21:59</td>\n",
       "      <td>Civic Center BART (7th at Market)</td>\n",
       "      <td>72</td>\n",
       "      <td>327</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>665510</th>\n",
       "      <td>439145</td>\n",
       "      <td>1087.0</td>\n",
       "      <td>9/4/2014 21:41</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>9/4/2014 21:59</td>\n",
       "      <td>Civic Center BART (7th at Market)</td>\n",
       "      <td>72</td>\n",
       "      <td>335</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>665529</th>\n",
       "      <td>439125</td>\n",
       "      <td>583.0</td>\n",
       "      <td>9/4/2014 20:53</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>9/4/2014 21:03</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>371</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>665530</th>\n",
       "      <td>439124</td>\n",
       "      <td>497.0</td>\n",
       "      <td>9/4/2014 20:53</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>9/4/2014 21:01</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>335</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>665655</th>\n",
       "      <td>438962</td>\n",
       "      <td>316.0</td>\n",
       "      <td>9/4/2014 18:32</td>\n",
       "      <td>2nd at South Park</td>\n",
       "      <td>64</td>\n",
       "      <td>9/4/2014 18:38</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>592</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>665845</th>\n",
       "      <td>438719</td>\n",
       "      <td>977.0</td>\n",
       "      <td>9/4/2014 17:25</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>9/4/2014 17:41</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>520</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>665847</th>\n",
       "      <td>438715</td>\n",
       "      <td>995.0</td>\n",
       "      <td>9/4/2014 17:24</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>9/4/2014 17:41</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>381</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>665974</th>\n",
       "      <td>438556</td>\n",
       "      <td>297.0</td>\n",
       "      <td>9/4/2014 16:42</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>9/4/2014 16:47</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>381</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>665975</th>\n",
       "      <td>438555</td>\n",
       "      <td>302.0</td>\n",
       "      <td>9/4/2014 16:42</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>9/4/2014 16:47</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>591</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>666187</th>\n",
       "      <td>438246</td>\n",
       "      <td>362.0</td>\n",
       "      <td>9/4/2014 13:11</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>9/4/2014 13:17</td>\n",
       "      <td>2nd at South Park</td>\n",
       "      <td>64</td>\n",
       "      <td>509</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>666648</th>\n",
       "      <td>437619</td>\n",
       "      <td>512.0</td>\n",
       "      <td>9/4/2014 8:21</td>\n",
       "      <td>Civic Center BART (7th at Market)</td>\n",
       "      <td>72</td>\n",
       "      <td>9/4/2014 8:30</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>620</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>666877</th>\n",
       "      <td>437281</td>\n",
       "      <td>740.0</td>\n",
       "      <td>9/3/2014 22:34</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>9/3/2014 22:46</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>677</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>667253</th>\n",
       "      <td>436795</td>\n",
       "      <td>252.0</td>\n",
       "      <td>9/3/2014 17:28</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>9/3/2014 17:32</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>411</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>667515</th>\n",
       "      <td>436426</td>\n",
       "      <td>8679.0</td>\n",
       "      <td>9/3/2014 14:49</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>9/3/2014 17:13</td>\n",
       "      <td>2nd at Townsend</td>\n",
       "      <td>61</td>\n",
       "      <td>338</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>667522</th>\n",
       "      <td>436419</td>\n",
       "      <td>1691.0</td>\n",
       "      <td>9/3/2014 14:37</td>\n",
       "      <td>Embarcadero at Folsom</td>\n",
       "      <td>51</td>\n",
       "      <td>9/3/2014 15:05</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>429</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>667532</th>\n",
       "      <td>436405</td>\n",
       "      <td>1303.0</td>\n",
       "      <td>9/3/2014 14:21</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>9/3/2014 14:42</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>338</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>667535</th>\n",
       "      <td>436400</td>\n",
       "      <td>1119.0</td>\n",
       "      <td>9/3/2014 14:17</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>9/3/2014 14:36</td>\n",
       "      <td>Embarcadero at Folsom</td>\n",
       "      <td>51</td>\n",
       "      <td>67</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>667668</th>\n",
       "      <td>436227</td>\n",
       "      <td>6412.0</td>\n",
       "      <td>9/3/2014 11:36</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>9/3/2014 13:23</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>469</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>667671</th>\n",
       "      <td>436220</td>\n",
       "      <td>6485.0</td>\n",
       "      <td>9/3/2014 11:35</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>9/3/2014 13:23</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>402</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>8337 rows × 11 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "            id  duration       start_date  \\\n",
       "1         4576      63.0  8/29/2013 14:13   \n",
       "87        4686     273.0  8/29/2013 15:59   \n",
       "182       4655     413.0  8/29/2013 15:29   \n",
       "191       4309     423.0  8/29/2013 12:04   \n",
       "194       4830     424.0  8/29/2013 17:42   \n",
       "254       4969     527.0  8/29/2013 19:36   \n",
       "257       4440     534.0  8/29/2013 12:55   \n",
       "263       4439     540.0  8/29/2013 12:55   \n",
       "317       4795     621.0  8/29/2013 17:22   \n",
       "355       4878     679.0  8/29/2013 18:09   \n",
       "382       4346     724.0  8/29/2013 12:14   \n",
       "388       4586     748.0  8/29/2013 14:17   \n",
       "422       4873     813.0  8/29/2013 18:07   \n",
       "423       4526     814.0  8/29/2013 13:39   \n",
       "430       4931     826.0  8/29/2013 18:56   \n",
       "439       4523     844.0  8/29/2013 13:38   \n",
       "449       4380     853.0  8/29/2013 12:29   \n",
       "478       4494     913.0  8/29/2013 13:19   \n",
       "482       4449     926.0  8/29/2013 13:01   \n",
       "484       4845     929.0  8/29/2013 17:50   \n",
       "536       4268    1055.0  8/29/2013 11:40   \n",
       "539       4629    1065.0  8/29/2013 15:03   \n",
       "546       5049    1075.0  8/29/2013 21:00   \n",
       "549       4580    1081.0  8/29/2013 14:14   \n",
       "555       5068    1096.0  8/29/2013 21:40   \n",
       "561       5048    1107.0  8/29/2013 21:00   \n",
       "589       4900    1168.0  8/29/2013 18:25   \n",
       "601       4515    1211.0  8/29/2013 13:33   \n",
       "604       4514    1224.0  8/29/2013 13:33   \n",
       "618       4284    1281.0  8/29/2013 11:55   \n",
       "...        ...       ...              ...   \n",
       "664480  440461     246.0   9/5/2014 17:36   \n",
       "664719  440138     311.0   9/5/2014 15:50   \n",
       "664758  440085     924.0   9/5/2014 14:56   \n",
       "664761  440079     210.0   9/5/2014 14:53   \n",
       "664765  440075     410.0   9/5/2014 14:46   \n",
       "664772  440060    1037.0   9/5/2014 14:33   \n",
       "664774  440058     190.0   9/5/2014 14:31   \n",
       "664811  440014    3085.0   9/5/2014 13:39   \n",
       "664812  440013    3272.0   9/5/2014 13:39   \n",
       "664821  440002     311.0   9/5/2014 13:31   \n",
       "664946  439850     323.0   9/5/2014 11:35   \n",
       "665509  439146    1077.0   9/4/2014 21:41   \n",
       "665510  439145    1087.0   9/4/2014 21:41   \n",
       "665529  439125     583.0   9/4/2014 20:53   \n",
       "665530  439124     497.0   9/4/2014 20:53   \n",
       "665655  438962     316.0   9/4/2014 18:32   \n",
       "665845  438719     977.0   9/4/2014 17:25   \n",
       "665847  438715     995.0   9/4/2014 17:24   \n",
       "665974  438556     297.0   9/4/2014 16:42   \n",
       "665975  438555     302.0   9/4/2014 16:42   \n",
       "666187  438246     362.0   9/4/2014 13:11   \n",
       "666648  437619     512.0    9/4/2014 8:21   \n",
       "666877  437281     740.0   9/3/2014 22:34   \n",
       "667253  436795     252.0   9/3/2014 17:28   \n",
       "667515  436426    8679.0   9/3/2014 14:49   \n",
       "667522  436419    1691.0   9/3/2014 14:37   \n",
       "667532  436405    1303.0   9/3/2014 14:21   \n",
       "667535  436400    1119.0   9/3/2014 14:17   \n",
       "667668  436227    6412.0   9/3/2014 11:36   \n",
       "667671  436220    6485.0   9/3/2014 11:35   \n",
       "\n",
       "                                   start_station_name  start_station_id  \\\n",
       "1                            South Van Ness at Market                66   \n",
       "87                                  Market at Sansome                77   \n",
       "182                   Grant Avenue at Columbus Avenue                73   \n",
       "191                                 Steuart at Market                74   \n",
       "194                                   Spear at Folsom                49   \n",
       "254                   Grant Avenue at Columbus Avenue                73   \n",
       "257                 Civic Center BART (7th at Market)                72   \n",
       "263                 Civic Center BART (7th at Market)                72   \n",
       "317                                   Beale at Market                56   \n",
       "355                                 Market at Sansome                77   \n",
       "382                             Embarcadero at Folsom                51   \n",
       "388           San Francisco Caltrain 2 (330 Townsend)                69   \n",
       "422     Temporary Transbay Terminal (Howard at Beale)                55   \n",
       "423                                     Market at 4th                76   \n",
       "430                     Powell at Post (Union Square)                71   \n",
       "439                                     Market at 4th                76   \n",
       "449           San Francisco Caltrain 2 (330 Townsend)                69   \n",
       "478                          Commercial at Montgomery                45   \n",
       "482                            Embarcadero at Sansome                60   \n",
       "484                                Powell Street BART                39   \n",
       "536                                    Market at 10th                67   \n",
       "539                                  Davis at Jackson                42   \n",
       "546                             San Jose Civic Center                 3   \n",
       "549                          South Van Ness at Market                66   \n",
       "555                            Embarcadero at Vallejo                48   \n",
       "561                             San Jose Civic Center                 3   \n",
       "589                                     Market at 4th                76   \n",
       "601                                 Steuart at Market                74   \n",
       "604                                 Steuart at Market                74   \n",
       "618              Harry Bridges Plaza (Ferry Building)                50   \n",
       "...                                               ...               ...   \n",
       "664480                                  2nd at Folsom                62   \n",
       "664719                              Market at Sansome                77   \n",
       "664758           Harry Bridges Plaza (Ferry Building)                50   \n",
       "664761                                  2nd at Folsom                62   \n",
       "664765                                  5th at Howard                57   \n",
       "664772                         Embarcadero at Vallejo                48   \n",
       "664774                             Powell Street BART                39   \n",
       "664811           Harry Bridges Plaza (Ferry Building)                50   \n",
       "664812           Harry Bridges Plaza (Ferry Building)                50   \n",
       "664821            Mechanics Plaza (Market at Battery)                75   \n",
       "664946                                  2nd at Folsom                62   \n",
       "665509                Grant Avenue at Columbus Avenue                73   \n",
       "665510                Grant Avenue at Columbus Avenue                73   \n",
       "665529                         Embarcadero at Vallejo                48   \n",
       "665530                         Embarcadero at Vallejo                48   \n",
       "665655                              2nd at South Park                64   \n",
       "665845                             Powell Street BART                39   \n",
       "665847                             Powell Street BART                39   \n",
       "665974                                 Market at 10th                67   \n",
       "665975                                 Market at 10th                67   \n",
       "666187                              Market at Sansome                77   \n",
       "666648              Civic Center BART (7th at Market)                72   \n",
       "666877       San Francisco Caltrain (Townsend at 4th)                70   \n",
       "667253                                  2nd at Folsom                62   \n",
       "667515                         Embarcadero at Sansome                60   \n",
       "667522                          Embarcadero at Folsom                51   \n",
       "667532       San Francisco Caltrain (Townsend at 4th)                70   \n",
       "667535                                  Market at 4th                76   \n",
       "667668                             Powell Street BART                39   \n",
       "667671                             Powell Street BART                39   \n",
       "\n",
       "               end_date                               end_station_name  \\\n",
       "1       8/29/2013 14:14                       South Van Ness at Market   \n",
       "87      8/29/2013 16:03  Temporary Transbay Terminal (Howard at Beale)   \n",
       "182     8/29/2013 15:36                          Washington at Kearney   \n",
       "191     8/29/2013 12:11                          Embarcadero at Folsom   \n",
       "194     8/29/2013 17:49  Yerba Buena Center of the Arts (3rd @ Howard)   \n",
       "254     8/29/2013 19:44  Temporary Transbay Terminal (Howard at Beale)   \n",
       "257     8/29/2013 13:04                                  Market at 4th   \n",
       "263     8/29/2013 13:04                                  Market at 4th   \n",
       "317     8/29/2013 17:32                                  Market at 4th   \n",
       "355     8/29/2013 18:21                        San Francisco City Hall   \n",
       "382     8/29/2013 12:26       San Francisco Caltrain (Townsend at 4th)   \n",
       "388     8/29/2013 14:30                             Powell Street BART   \n",
       "422     8/29/2013 18:20                Grant Avenue at Columbus Avenue   \n",
       "423     8/29/2013 13:53                       South Van Ness at Market   \n",
       "430     8/29/2013 19:10  Yerba Buena Center of the Arts (3rd @ Howard)   \n",
       "439     8/29/2013 13:53                       South Van Ness at Market   \n",
       "449     8/29/2013 12:44                                 Market at 10th   \n",
       "478     8/29/2013 13:34                                 Market at 10th   \n",
       "482     8/29/2013 13:16                         Embarcadero at Vallejo   \n",
       "484     8/29/2013 18:05       San Francisco Caltrain (Townsend at 4th)   \n",
       "536     8/29/2013 11:57                                Beale at Market   \n",
       "539     8/29/2013 15:20                       South Van Ness at Market   \n",
       "546     8/29/2013 21:18                         Santa Clara at Almaden   \n",
       "549     8/29/2013 14:32           Harry Bridges Plaza (Ferry Building)   \n",
       "555     8/29/2013 21:58              Civic Center BART (7th at Market)   \n",
       "561     8/29/2013 21:18                         Santa Clara at Almaden   \n",
       "589     8/29/2013 18:45                         Embarcadero at Sansome   \n",
       "601     8/29/2013 13:53                        San Francisco City Hall   \n",
       "604     8/29/2013 13:53                        San Francisco City Hall   \n",
       "618     8/29/2013 12:17                         Embarcadero at Sansome   \n",
       "...                 ...                                            ...   \n",
       "664480   9/5/2014 17:40                              Market at Sansome   \n",
       "664719   9/5/2014 15:55                                  2nd at Folsom   \n",
       "664758   9/5/2014 15:11                                Beale at Market   \n",
       "664761   9/5/2014 14:57                              Market at Sansome   \n",
       "664765   9/5/2014 14:53                              2nd at South Park   \n",
       "664772   9/5/2014 14:50           Harry Bridges Plaza (Ferry Building)   \n",
       "664774   9/5/2014 14:35                                  5th at Howard   \n",
       "664811   9/5/2014 14:31                         Embarcadero at Vallejo   \n",
       "664812   9/5/2014 14:33                         Embarcadero at Vallejo   \n",
       "664821   9/5/2014 13:36                                  2nd at Folsom   \n",
       "664946   9/5/2014 11:40            Mechanics Plaza (Market at Battery)   \n",
       "665509   9/4/2014 21:59              Civic Center BART (7th at Market)   \n",
       "665510   9/4/2014 21:59              Civic Center BART (7th at Market)   \n",
       "665529   9/4/2014 21:03                Grant Avenue at Columbus Avenue   \n",
       "665530   9/4/2014 21:01                Grant Avenue at Columbus Avenue   \n",
       "665655   9/4/2014 18:38                              Market at Sansome   \n",
       "665845   9/4/2014 17:41                         Embarcadero at Vallejo   \n",
       "665847   9/4/2014 17:41                         Embarcadero at Vallejo   \n",
       "665974   9/4/2014 16:47                             Powell Street BART   \n",
       "665975   9/4/2014 16:47                             Powell Street BART   \n",
       "666187   9/4/2014 13:17                              2nd at South Park   \n",
       "666648    9/4/2014 8:30       San Francisco Caltrain (Townsend at 4th)   \n",
       "666877   9/3/2014 22:46                       South Van Ness at Market   \n",
       "667253   9/3/2014 17:32                              Market at Sansome   \n",
       "667515   9/3/2014 17:13                                2nd at Townsend   \n",
       "667522   9/3/2014 15:05                         Embarcadero at Vallejo   \n",
       "667532   9/3/2014 14:42                         Embarcadero at Sansome   \n",
       "667535   9/3/2014 14:36                          Embarcadero at Folsom   \n",
       "667668   9/3/2014 13:23                         Embarcadero at Vallejo   \n",
       "667671   9/3/2014 13:23                         Embarcadero at Vallejo   \n",
       "\n",
       "        end_station_id  bike_id subscription_type zip_code  \n",
       "1                   66      520        Subscriber      NaN  \n",
       "87                  55      624          Customer      NaN  \n",
       "182                 46      474          Customer      NaN  \n",
       "191                 51      340        Subscriber      NaN  \n",
       "194                 68      334          Customer      NaN  \n",
       "254                 55      353          Customer      NaN  \n",
       "257                 76      430        Subscriber      NaN  \n",
       "263                 76      390        Subscriber      NaN  \n",
       "317                 76      626          Customer      NaN  \n",
       "355                 58      578          Customer      NaN  \n",
       "382                 70      267        Subscriber      NaN  \n",
       "388                 39      541          Customer      NaN  \n",
       "422                 73      353          Customer      NaN  \n",
       "423                 66      431        Subscriber      NaN  \n",
       "430                 68      466          Customer      NaN  \n",
       "439                 66      489        Subscriber      NaN  \n",
       "449                 67      574        Subscriber      NaN  \n",
       "478                 67      506          Customer      NaN  \n",
       "482                 48      579          Customer      NaN  \n",
       "484                 70      574          Customer      NaN  \n",
       "536                 56      324        Subscriber      NaN  \n",
       "539                 66      356        Subscriber      NaN  \n",
       "546                  4       68          Customer      NaN  \n",
       "549                 50      370        Subscriber      NaN  \n",
       "555                 72      571          Customer      NaN  \n",
       "561                  4      188          Customer      NaN  \n",
       "589                 60      377          Customer      NaN  \n",
       "601                 58      623          Customer      NaN  \n",
       "604                 58      632          Customer      NaN  \n",
       "618                 60      584          Customer      NaN  \n",
       "...                ...      ...               ...      ...  \n",
       "664480              77      631        Subscriber      NaN  \n",
       "664719              62      405        Subscriber      NaN  \n",
       "664758              56      472          Customer      NaN  \n",
       "664761              77      428        Subscriber      NaN  \n",
       "664765              64      570        Subscriber      NaN  \n",
       "664772              50      637          Customer      NaN  \n",
       "664774              57      436        Subscriber      NaN  \n",
       "664811              48      481          Customer      NaN  \n",
       "664812              48      630          Customer      NaN  \n",
       "664821              62      625        Subscriber      NaN  \n",
       "664946              75      541        Subscriber      NaN  \n",
       "665509              72      327        Subscriber      NaN  \n",
       "665510              72      335        Subscriber      NaN  \n",
       "665529              73      371        Subscriber      NaN  \n",
       "665530              73      335        Subscriber      NaN  \n",
       "665655              77      592        Subscriber      NaN  \n",
       "665845              48      520        Subscriber      NaN  \n",
       "665847              48      381        Subscriber      NaN  \n",
       "665974              39      381        Subscriber      NaN  \n",
       "665975              39      591        Subscriber      NaN  \n",
       "666187              64      509        Subscriber      NaN  \n",
       "666648              70      620        Subscriber      NaN  \n",
       "666877              66      677        Subscriber      NaN  \n",
       "667253              77      411        Subscriber      NaN  \n",
       "667515              61      338        Subscriber      NaN  \n",
       "667522              48      429          Customer      NaN  \n",
       "667532              60      338        Subscriber      NaN  \n",
       "667535              51       67          Customer      NaN  \n",
       "667668              48      469          Customer      NaN  \n",
       "667671              48      402          Customer      NaN  \n",
       "\n",
       "[8337 rows x 11 columns]"
      ]
     },
     "execution_count": 37,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data.loc[trips_data.isnull().any(axis=1)]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>id</th>\n",
       "      <th>duration</th>\n",
       "      <th>start_date</th>\n",
       "      <th>start_station_name</th>\n",
       "      <th>start_station_id</th>\n",
       "      <th>end_date</th>\n",
       "      <th>end_station_name</th>\n",
       "      <th>end_station_id</th>\n",
       "      <th>bike_id</th>\n",
       "      <th>subscription_type</th>\n",
       "      <th>zip_code</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>4576</td>\n",
       "      <td>63.0</td>\n",
       "      <td>8/29/2013 14:13</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>8/29/2013 14:14</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>520</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>87</th>\n",
       "      <td>4686</td>\n",
       "      <td>273.0</td>\n",
       "      <td>8/29/2013 15:59</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>8/29/2013 16:03</td>\n",
       "      <td>Temporary Transbay Terminal (Howard at Beale)</td>\n",
       "      <td>55</td>\n",
       "      <td>624</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>182</th>\n",
       "      <td>4655</td>\n",
       "      <td>413.0</td>\n",
       "      <td>8/29/2013 15:29</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>8/29/2013 15:36</td>\n",
       "      <td>Washington at Kearney</td>\n",
       "      <td>46</td>\n",
       "      <td>474</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>191</th>\n",
       "      <td>4309</td>\n",
       "      <td>423.0</td>\n",
       "      <td>8/29/2013 12:04</td>\n",
       "      <td>Steuart at Market</td>\n",
       "      <td>74</td>\n",
       "      <td>8/29/2013 12:11</td>\n",
       "      <td>Embarcadero at Folsom</td>\n",
       "      <td>51</td>\n",
       "      <td>340</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>194</th>\n",
       "      <td>4830</td>\n",
       "      <td>424.0</td>\n",
       "      <td>8/29/2013 17:42</td>\n",
       "      <td>Spear at Folsom</td>\n",
       "      <td>49</td>\n",
       "      <td>8/29/2013 17:49</td>\n",
       "      <td>Yerba Buena Center of the Arts (3rd @ Howard)</td>\n",
       "      <td>68</td>\n",
       "      <td>334</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>254</th>\n",
       "      <td>4969</td>\n",
       "      <td>527.0</td>\n",
       "      <td>8/29/2013 19:36</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>8/29/2013 19:44</td>\n",
       "      <td>Temporary Transbay Terminal (Howard at Beale)</td>\n",
       "      <td>55</td>\n",
       "      <td>353</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>257</th>\n",
       "      <td>4440</td>\n",
       "      <td>534.0</td>\n",
       "      <td>8/29/2013 12:55</td>\n",
       "      <td>Civic Center BART (7th at Market)</td>\n",
       "      <td>72</td>\n",
       "      <td>8/29/2013 13:04</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>430</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>263</th>\n",
       "      <td>4439</td>\n",
       "      <td>540.0</td>\n",
       "      <td>8/29/2013 12:55</td>\n",
       "      <td>Civic Center BART (7th at Market)</td>\n",
       "      <td>72</td>\n",
       "      <td>8/29/2013 13:04</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>390</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>317</th>\n",
       "      <td>4795</td>\n",
       "      <td>621.0</td>\n",
       "      <td>8/29/2013 17:22</td>\n",
       "      <td>Beale at Market</td>\n",
       "      <td>56</td>\n",
       "      <td>8/29/2013 17:32</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>626</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>355</th>\n",
       "      <td>4878</td>\n",
       "      <td>679.0</td>\n",
       "      <td>8/29/2013 18:09</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>8/29/2013 18:21</td>\n",
       "      <td>San Francisco City Hall</td>\n",
       "      <td>58</td>\n",
       "      <td>578</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>382</th>\n",
       "      <td>4346</td>\n",
       "      <td>724.0</td>\n",
       "      <td>8/29/2013 12:14</td>\n",
       "      <td>Embarcadero at Folsom</td>\n",
       "      <td>51</td>\n",
       "      <td>8/29/2013 12:26</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>267</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>388</th>\n",
       "      <td>4586</td>\n",
       "      <td>748.0</td>\n",
       "      <td>8/29/2013 14:17</td>\n",
       "      <td>San Francisco Caltrain 2 (330 Townsend)</td>\n",
       "      <td>69</td>\n",
       "      <td>8/29/2013 14:30</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>541</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>422</th>\n",
       "      <td>4873</td>\n",
       "      <td>813.0</td>\n",
       "      <td>8/29/2013 18:07</td>\n",
       "      <td>Temporary Transbay Terminal (Howard at Beale)</td>\n",
       "      <td>55</td>\n",
       "      <td>8/29/2013 18:20</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>353</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>423</th>\n",
       "      <td>4526</td>\n",
       "      <td>814.0</td>\n",
       "      <td>8/29/2013 13:39</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>8/29/2013 13:53</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>431</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>430</th>\n",
       "      <td>4931</td>\n",
       "      <td>826.0</td>\n",
       "      <td>8/29/2013 18:56</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>8/29/2013 19:10</td>\n",
       "      <td>Yerba Buena Center of the Arts (3rd @ Howard)</td>\n",
       "      <td>68</td>\n",
       "      <td>466</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>439</th>\n",
       "      <td>4523</td>\n",
       "      <td>844.0</td>\n",
       "      <td>8/29/2013 13:38</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>8/29/2013 13:53</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>489</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>449</th>\n",
       "      <td>4380</td>\n",
       "      <td>853.0</td>\n",
       "      <td>8/29/2013 12:29</td>\n",
       "      <td>San Francisco Caltrain 2 (330 Townsend)</td>\n",
       "      <td>69</td>\n",
       "      <td>8/29/2013 12:44</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>574</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>478</th>\n",
       "      <td>4494</td>\n",
       "      <td>913.0</td>\n",
       "      <td>8/29/2013 13:19</td>\n",
       "      <td>Commercial at Montgomery</td>\n",
       "      <td>45</td>\n",
       "      <td>8/29/2013 13:34</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>506</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>482</th>\n",
       "      <td>4449</td>\n",
       "      <td>926.0</td>\n",
       "      <td>8/29/2013 13:01</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>8/29/2013 13:16</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>579</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>484</th>\n",
       "      <td>4845</td>\n",
       "      <td>929.0</td>\n",
       "      <td>8/29/2013 17:50</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>8/29/2013 18:05</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>574</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>536</th>\n",
       "      <td>4268</td>\n",
       "      <td>1055.0</td>\n",
       "      <td>8/29/2013 11:40</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>8/29/2013 11:57</td>\n",
       "      <td>Beale at Market</td>\n",
       "      <td>56</td>\n",
       "      <td>324</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>539</th>\n",
       "      <td>4629</td>\n",
       "      <td>1065.0</td>\n",
       "      <td>8/29/2013 15:03</td>\n",
       "      <td>Davis at Jackson</td>\n",
       "      <td>42</td>\n",
       "      <td>8/29/2013 15:20</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>356</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>546</th>\n",
       "      <td>5049</td>\n",
       "      <td>1075.0</td>\n",
       "      <td>8/29/2013 21:00</td>\n",
       "      <td>San Jose Civic Center</td>\n",
       "      <td>3</td>\n",
       "      <td>8/29/2013 21:18</td>\n",
       "      <td>Santa Clara at Almaden</td>\n",
       "      <td>4</td>\n",
       "      <td>68</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>549</th>\n",
       "      <td>4580</td>\n",
       "      <td>1081.0</td>\n",
       "      <td>8/29/2013 14:14</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>8/29/2013 14:32</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>370</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>555</th>\n",
       "      <td>5068</td>\n",
       "      <td>1096.0</td>\n",
       "      <td>8/29/2013 21:40</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>8/29/2013 21:58</td>\n",
       "      <td>Civic Center BART (7th at Market)</td>\n",
       "      <td>72</td>\n",
       "      <td>571</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>561</th>\n",
       "      <td>5048</td>\n",
       "      <td>1107.0</td>\n",
       "      <td>8/29/2013 21:00</td>\n",
       "      <td>San Jose Civic Center</td>\n",
       "      <td>3</td>\n",
       "      <td>8/29/2013 21:18</td>\n",
       "      <td>Santa Clara at Almaden</td>\n",
       "      <td>4</td>\n",
       "      <td>188</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>589</th>\n",
       "      <td>4900</td>\n",
       "      <td>1168.0</td>\n",
       "      <td>8/29/2013 18:25</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>8/29/2013 18:45</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>377</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>601</th>\n",
       "      <td>4515</td>\n",
       "      <td>1211.0</td>\n",
       "      <td>8/29/2013 13:33</td>\n",
       "      <td>Steuart at Market</td>\n",
       "      <td>74</td>\n",
       "      <td>8/29/2013 13:53</td>\n",
       "      <td>San Francisco City Hall</td>\n",
       "      <td>58</td>\n",
       "      <td>623</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>604</th>\n",
       "      <td>4514</td>\n",
       "      <td>1224.0</td>\n",
       "      <td>8/29/2013 13:33</td>\n",
       "      <td>Steuart at Market</td>\n",
       "      <td>74</td>\n",
       "      <td>8/29/2013 13:53</td>\n",
       "      <td>San Francisco City Hall</td>\n",
       "      <td>58</td>\n",
       "      <td>632</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>618</th>\n",
       "      <td>4284</td>\n",
       "      <td>1281.0</td>\n",
       "      <td>8/29/2013 11:55</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>8/29/2013 12:17</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>584</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664480</th>\n",
       "      <td>440461</td>\n",
       "      <td>246.0</td>\n",
       "      <td>9/5/2014 17:36</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>9/5/2014 17:40</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>631</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664719</th>\n",
       "      <td>440138</td>\n",
       "      <td>311.0</td>\n",
       "      <td>9/5/2014 15:50</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>9/5/2014 15:55</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>405</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664758</th>\n",
       "      <td>440085</td>\n",
       "      <td>924.0</td>\n",
       "      <td>9/5/2014 14:56</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>9/5/2014 15:11</td>\n",
       "      <td>Beale at Market</td>\n",
       "      <td>56</td>\n",
       "      <td>472</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664761</th>\n",
       "      <td>440079</td>\n",
       "      <td>210.0</td>\n",
       "      <td>9/5/2014 14:53</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>9/5/2014 14:57</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>428</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664765</th>\n",
       "      <td>440075</td>\n",
       "      <td>410.0</td>\n",
       "      <td>9/5/2014 14:46</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>9/5/2014 14:53</td>\n",
       "      <td>2nd at South Park</td>\n",
       "      <td>64</td>\n",
       "      <td>570</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664772</th>\n",
       "      <td>440060</td>\n",
       "      <td>1037.0</td>\n",
       "      <td>9/5/2014 14:33</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>9/5/2014 14:50</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>637</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664774</th>\n",
       "      <td>440058</td>\n",
       "      <td>190.0</td>\n",
       "      <td>9/5/2014 14:31</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>9/5/2014 14:35</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>436</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664811</th>\n",
       "      <td>440014</td>\n",
       "      <td>3085.0</td>\n",
       "      <td>9/5/2014 13:39</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>9/5/2014 14:31</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>481</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664812</th>\n",
       "      <td>440013</td>\n",
       "      <td>3272.0</td>\n",
       "      <td>9/5/2014 13:39</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>9/5/2014 14:33</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>630</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664821</th>\n",
       "      <td>440002</td>\n",
       "      <td>311.0</td>\n",
       "      <td>9/5/2014 13:31</td>\n",
       "      <td>Mechanics Plaza (Market at Battery)</td>\n",
       "      <td>75</td>\n",
       "      <td>9/5/2014 13:36</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>625</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>664946</th>\n",
       "      <td>439850</td>\n",
       "      <td>323.0</td>\n",
       "      <td>9/5/2014 11:35</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>9/5/2014 11:40</td>\n",
       "      <td>Mechanics Plaza (Market at Battery)</td>\n",
       "      <td>75</td>\n",
       "      <td>541</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>665509</th>\n",
       "      <td>439146</td>\n",
       "      <td>1077.0</td>\n",
       "      <td>9/4/2014 21:41</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>9/4/2014 21:59</td>\n",
       "      <td>Civic Center BART (7th at Market)</td>\n",
       "      <td>72</td>\n",
       "      <td>327</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>665510</th>\n",
       "      <td>439145</td>\n",
       "      <td>1087.0</td>\n",
       "      <td>9/4/2014 21:41</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>9/4/2014 21:59</td>\n",
       "      <td>Civic Center BART (7th at Market)</td>\n",
       "      <td>72</td>\n",
       "      <td>335</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>665529</th>\n",
       "      <td>439125</td>\n",
       "      <td>583.0</td>\n",
       "      <td>9/4/2014 20:53</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>9/4/2014 21:03</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>371</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>665530</th>\n",
       "      <td>439124</td>\n",
       "      <td>497.0</td>\n",
       "      <td>9/4/2014 20:53</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>9/4/2014 21:01</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>335</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>665655</th>\n",
       "      <td>438962</td>\n",
       "      <td>316.0</td>\n",
       "      <td>9/4/2014 18:32</td>\n",
       "      <td>2nd at South Park</td>\n",
       "      <td>64</td>\n",
       "      <td>9/4/2014 18:38</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>592</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>665845</th>\n",
       "      <td>438719</td>\n",
       "      <td>977.0</td>\n",
       "      <td>9/4/2014 17:25</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>9/4/2014 17:41</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>520</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>665847</th>\n",
       "      <td>438715</td>\n",
       "      <td>995.0</td>\n",
       "      <td>9/4/2014 17:24</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>9/4/2014 17:41</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>381</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>665974</th>\n",
       "      <td>438556</td>\n",
       "      <td>297.0</td>\n",
       "      <td>9/4/2014 16:42</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>9/4/2014 16:47</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>381</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>665975</th>\n",
       "      <td>438555</td>\n",
       "      <td>302.0</td>\n",
       "      <td>9/4/2014 16:42</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>9/4/2014 16:47</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>591</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>666187</th>\n",
       "      <td>438246</td>\n",
       "      <td>362.0</td>\n",
       "      <td>9/4/2014 13:11</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>9/4/2014 13:17</td>\n",
       "      <td>2nd at South Park</td>\n",
       "      <td>64</td>\n",
       "      <td>509</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>666648</th>\n",
       "      <td>437619</td>\n",
       "      <td>512.0</td>\n",
       "      <td>9/4/2014 8:21</td>\n",
       "      <td>Civic Center BART (7th at Market)</td>\n",
       "      <td>72</td>\n",
       "      <td>9/4/2014 8:30</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>620</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>666877</th>\n",
       "      <td>437281</td>\n",
       "      <td>740.0</td>\n",
       "      <td>9/3/2014 22:34</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>9/3/2014 22:46</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>677</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>667253</th>\n",
       "      <td>436795</td>\n",
       "      <td>252.0</td>\n",
       "      <td>9/3/2014 17:28</td>\n",
       "      <td>2nd at Folsom</td>\n",
       "      <td>62</td>\n",
       "      <td>9/3/2014 17:32</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>411</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>667515</th>\n",
       "      <td>436426</td>\n",
       "      <td>8679.0</td>\n",
       "      <td>9/3/2014 14:49</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>9/3/2014 17:13</td>\n",
       "      <td>2nd at Townsend</td>\n",
       "      <td>61</td>\n",
       "      <td>338</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>667522</th>\n",
       "      <td>436419</td>\n",
       "      <td>1691.0</td>\n",
       "      <td>9/3/2014 14:37</td>\n",
       "      <td>Embarcadero at Folsom</td>\n",
       "      <td>51</td>\n",
       "      <td>9/3/2014 15:05</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>429</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>667532</th>\n",
       "      <td>436405</td>\n",
       "      <td>1303.0</td>\n",
       "      <td>9/3/2014 14:21</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>9/3/2014 14:42</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>338</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>667535</th>\n",
       "      <td>436400</td>\n",
       "      <td>1119.0</td>\n",
       "      <td>9/3/2014 14:17</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>9/3/2014 14:36</td>\n",
       "      <td>Embarcadero at Folsom</td>\n",
       "      <td>51</td>\n",
       "      <td>67</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>667668</th>\n",
       "      <td>436227</td>\n",
       "      <td>6412.0</td>\n",
       "      <td>9/3/2014 11:36</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>9/3/2014 13:23</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>469</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>667671</th>\n",
       "      <td>436220</td>\n",
       "      <td>6485.0</td>\n",
       "      <td>9/3/2014 11:35</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>9/3/2014 13:23</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>402</td>\n",
       "      <td>Customer</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>8309 rows × 11 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "            id  duration       start_date  \\\n",
       "1         4576      63.0  8/29/2013 14:13   \n",
       "87        4686     273.0  8/29/2013 15:59   \n",
       "182       4655     413.0  8/29/2013 15:29   \n",
       "191       4309     423.0  8/29/2013 12:04   \n",
       "194       4830     424.0  8/29/2013 17:42   \n",
       "254       4969     527.0  8/29/2013 19:36   \n",
       "257       4440     534.0  8/29/2013 12:55   \n",
       "263       4439     540.0  8/29/2013 12:55   \n",
       "317       4795     621.0  8/29/2013 17:22   \n",
       "355       4878     679.0  8/29/2013 18:09   \n",
       "382       4346     724.0  8/29/2013 12:14   \n",
       "388       4586     748.0  8/29/2013 14:17   \n",
       "422       4873     813.0  8/29/2013 18:07   \n",
       "423       4526     814.0  8/29/2013 13:39   \n",
       "430       4931     826.0  8/29/2013 18:56   \n",
       "439       4523     844.0  8/29/2013 13:38   \n",
       "449       4380     853.0  8/29/2013 12:29   \n",
       "478       4494     913.0  8/29/2013 13:19   \n",
       "482       4449     926.0  8/29/2013 13:01   \n",
       "484       4845     929.0  8/29/2013 17:50   \n",
       "536       4268    1055.0  8/29/2013 11:40   \n",
       "539       4629    1065.0  8/29/2013 15:03   \n",
       "546       5049    1075.0  8/29/2013 21:00   \n",
       "549       4580    1081.0  8/29/2013 14:14   \n",
       "555       5068    1096.0  8/29/2013 21:40   \n",
       "561       5048    1107.0  8/29/2013 21:00   \n",
       "589       4900    1168.0  8/29/2013 18:25   \n",
       "601       4515    1211.0  8/29/2013 13:33   \n",
       "604       4514    1224.0  8/29/2013 13:33   \n",
       "618       4284    1281.0  8/29/2013 11:55   \n",
       "...        ...       ...              ...   \n",
       "664480  440461     246.0   9/5/2014 17:36   \n",
       "664719  440138     311.0   9/5/2014 15:50   \n",
       "664758  440085     924.0   9/5/2014 14:56   \n",
       "664761  440079     210.0   9/5/2014 14:53   \n",
       "664765  440075     410.0   9/5/2014 14:46   \n",
       "664772  440060    1037.0   9/5/2014 14:33   \n",
       "664774  440058     190.0   9/5/2014 14:31   \n",
       "664811  440014    3085.0   9/5/2014 13:39   \n",
       "664812  440013    3272.0   9/5/2014 13:39   \n",
       "664821  440002     311.0   9/5/2014 13:31   \n",
       "664946  439850     323.0   9/5/2014 11:35   \n",
       "665509  439146    1077.0   9/4/2014 21:41   \n",
       "665510  439145    1087.0   9/4/2014 21:41   \n",
       "665529  439125     583.0   9/4/2014 20:53   \n",
       "665530  439124     497.0   9/4/2014 20:53   \n",
       "665655  438962     316.0   9/4/2014 18:32   \n",
       "665845  438719     977.0   9/4/2014 17:25   \n",
       "665847  438715     995.0   9/4/2014 17:24   \n",
       "665974  438556     297.0   9/4/2014 16:42   \n",
       "665975  438555     302.0   9/4/2014 16:42   \n",
       "666187  438246     362.0   9/4/2014 13:11   \n",
       "666648  437619     512.0    9/4/2014 8:21   \n",
       "666877  437281     740.0   9/3/2014 22:34   \n",
       "667253  436795     252.0   9/3/2014 17:28   \n",
       "667515  436426    8679.0   9/3/2014 14:49   \n",
       "667522  436419    1691.0   9/3/2014 14:37   \n",
       "667532  436405    1303.0   9/3/2014 14:21   \n",
       "667535  436400    1119.0   9/3/2014 14:17   \n",
       "667668  436227    6412.0   9/3/2014 11:36   \n",
       "667671  436220    6485.0   9/3/2014 11:35   \n",
       "\n",
       "                                   start_station_name  start_station_id  \\\n",
       "1                            South Van Ness at Market                66   \n",
       "87                                  Market at Sansome                77   \n",
       "182                   Grant Avenue at Columbus Avenue                73   \n",
       "191                                 Steuart at Market                74   \n",
       "194                                   Spear at Folsom                49   \n",
       "254                   Grant Avenue at Columbus Avenue                73   \n",
       "257                 Civic Center BART (7th at Market)                72   \n",
       "263                 Civic Center BART (7th at Market)                72   \n",
       "317                                   Beale at Market                56   \n",
       "355                                 Market at Sansome                77   \n",
       "382                             Embarcadero at Folsom                51   \n",
       "388           San Francisco Caltrain 2 (330 Townsend)                69   \n",
       "422     Temporary Transbay Terminal (Howard at Beale)                55   \n",
       "423                                     Market at 4th                76   \n",
       "430                     Powell at Post (Union Square)                71   \n",
       "439                                     Market at 4th                76   \n",
       "449           San Francisco Caltrain 2 (330 Townsend)                69   \n",
       "478                          Commercial at Montgomery                45   \n",
       "482                            Embarcadero at Sansome                60   \n",
       "484                                Powell Street BART                39   \n",
       "536                                    Market at 10th                67   \n",
       "539                                  Davis at Jackson                42   \n",
       "546                             San Jose Civic Center                 3   \n",
       "549                          South Van Ness at Market                66   \n",
       "555                            Embarcadero at Vallejo                48   \n",
       "561                             San Jose Civic Center                 3   \n",
       "589                                     Market at 4th                76   \n",
       "601                                 Steuart at Market                74   \n",
       "604                                 Steuart at Market                74   \n",
       "618              Harry Bridges Plaza (Ferry Building)                50   \n",
       "...                                               ...               ...   \n",
       "664480                                  2nd at Folsom                62   \n",
       "664719                              Market at Sansome                77   \n",
       "664758           Harry Bridges Plaza (Ferry Building)                50   \n",
       "664761                                  2nd at Folsom                62   \n",
       "664765                                  5th at Howard                57   \n",
       "664772                         Embarcadero at Vallejo                48   \n",
       "664774                             Powell Street BART                39   \n",
       "664811           Harry Bridges Plaza (Ferry Building)                50   \n",
       "664812           Harry Bridges Plaza (Ferry Building)                50   \n",
       "664821            Mechanics Plaza (Market at Battery)                75   \n",
       "664946                                  2nd at Folsom                62   \n",
       "665509                Grant Avenue at Columbus Avenue                73   \n",
       "665510                Grant Avenue at Columbus Avenue                73   \n",
       "665529                         Embarcadero at Vallejo                48   \n",
       "665530                         Embarcadero at Vallejo                48   \n",
       "665655                              2nd at South Park                64   \n",
       "665845                             Powell Street BART                39   \n",
       "665847                             Powell Street BART                39   \n",
       "665974                                 Market at 10th                67   \n",
       "665975                                 Market at 10th                67   \n",
       "666187                              Market at Sansome                77   \n",
       "666648              Civic Center BART (7th at Market)                72   \n",
       "666877       San Francisco Caltrain (Townsend at 4th)                70   \n",
       "667253                                  2nd at Folsom                62   \n",
       "667515                         Embarcadero at Sansome                60   \n",
       "667522                          Embarcadero at Folsom                51   \n",
       "667532       San Francisco Caltrain (Townsend at 4th)                70   \n",
       "667535                                  Market at 4th                76   \n",
       "667668                             Powell Street BART                39   \n",
       "667671                             Powell Street BART                39   \n",
       "\n",
       "               end_date                               end_station_name  \\\n",
       "1       8/29/2013 14:14                       South Van Ness at Market   \n",
       "87      8/29/2013 16:03  Temporary Transbay Terminal (Howard at Beale)   \n",
       "182     8/29/2013 15:36                          Washington at Kearney   \n",
       "191     8/29/2013 12:11                          Embarcadero at Folsom   \n",
       "194     8/29/2013 17:49  Yerba Buena Center of the Arts (3rd @ Howard)   \n",
       "254     8/29/2013 19:44  Temporary Transbay Terminal (Howard at Beale)   \n",
       "257     8/29/2013 13:04                                  Market at 4th   \n",
       "263     8/29/2013 13:04                                  Market at 4th   \n",
       "317     8/29/2013 17:32                                  Market at 4th   \n",
       "355     8/29/2013 18:21                        San Francisco City Hall   \n",
       "382     8/29/2013 12:26       San Francisco Caltrain (Townsend at 4th)   \n",
       "388     8/29/2013 14:30                             Powell Street BART   \n",
       "422     8/29/2013 18:20                Grant Avenue at Columbus Avenue   \n",
       "423     8/29/2013 13:53                       South Van Ness at Market   \n",
       "430     8/29/2013 19:10  Yerba Buena Center of the Arts (3rd @ Howard)   \n",
       "439     8/29/2013 13:53                       South Van Ness at Market   \n",
       "449     8/29/2013 12:44                                 Market at 10th   \n",
       "478     8/29/2013 13:34                                 Market at 10th   \n",
       "482     8/29/2013 13:16                         Embarcadero at Vallejo   \n",
       "484     8/29/2013 18:05       San Francisco Caltrain (Townsend at 4th)   \n",
       "536     8/29/2013 11:57                                Beale at Market   \n",
       "539     8/29/2013 15:20                       South Van Ness at Market   \n",
       "546     8/29/2013 21:18                         Santa Clara at Almaden   \n",
       "549     8/29/2013 14:32           Harry Bridges Plaza (Ferry Building)   \n",
       "555     8/29/2013 21:58              Civic Center BART (7th at Market)   \n",
       "561     8/29/2013 21:18                         Santa Clara at Almaden   \n",
       "589     8/29/2013 18:45                         Embarcadero at Sansome   \n",
       "601     8/29/2013 13:53                        San Francisco City Hall   \n",
       "604     8/29/2013 13:53                        San Francisco City Hall   \n",
       "618     8/29/2013 12:17                         Embarcadero at Sansome   \n",
       "...                 ...                                            ...   \n",
       "664480   9/5/2014 17:40                              Market at Sansome   \n",
       "664719   9/5/2014 15:55                                  2nd at Folsom   \n",
       "664758   9/5/2014 15:11                                Beale at Market   \n",
       "664761   9/5/2014 14:57                              Market at Sansome   \n",
       "664765   9/5/2014 14:53                              2nd at South Park   \n",
       "664772   9/5/2014 14:50           Harry Bridges Plaza (Ferry Building)   \n",
       "664774   9/5/2014 14:35                                  5th at Howard   \n",
       "664811   9/5/2014 14:31                         Embarcadero at Vallejo   \n",
       "664812   9/5/2014 14:33                         Embarcadero at Vallejo   \n",
       "664821   9/5/2014 13:36                                  2nd at Folsom   \n",
       "664946   9/5/2014 11:40            Mechanics Plaza (Market at Battery)   \n",
       "665509   9/4/2014 21:59              Civic Center BART (7th at Market)   \n",
       "665510   9/4/2014 21:59              Civic Center BART (7th at Market)   \n",
       "665529   9/4/2014 21:03                Grant Avenue at Columbus Avenue   \n",
       "665530   9/4/2014 21:01                Grant Avenue at Columbus Avenue   \n",
       "665655   9/4/2014 18:38                              Market at Sansome   \n",
       "665845   9/4/2014 17:41                         Embarcadero at Vallejo   \n",
       "665847   9/4/2014 17:41                         Embarcadero at Vallejo   \n",
       "665974   9/4/2014 16:47                             Powell Street BART   \n",
       "665975   9/4/2014 16:47                             Powell Street BART   \n",
       "666187   9/4/2014 13:17                              2nd at South Park   \n",
       "666648    9/4/2014 8:30       San Francisco Caltrain (Townsend at 4th)   \n",
       "666877   9/3/2014 22:46                       South Van Ness at Market   \n",
       "667253   9/3/2014 17:32                              Market at Sansome   \n",
       "667515   9/3/2014 17:13                                2nd at Townsend   \n",
       "667522   9/3/2014 15:05                         Embarcadero at Vallejo   \n",
       "667532   9/3/2014 14:42                         Embarcadero at Sansome   \n",
       "667535   9/3/2014 14:36                          Embarcadero at Folsom   \n",
       "667668   9/3/2014 13:23                         Embarcadero at Vallejo   \n",
       "667671   9/3/2014 13:23                         Embarcadero at Vallejo   \n",
       "\n",
       "        end_station_id  bike_id subscription_type zip_code  \n",
       "1                   66      520        Subscriber      NaN  \n",
       "87                  55      624          Customer      NaN  \n",
       "182                 46      474          Customer      NaN  \n",
       "191                 51      340        Subscriber      NaN  \n",
       "194                 68      334          Customer      NaN  \n",
       "254                 55      353          Customer      NaN  \n",
       "257                 76      430        Subscriber      NaN  \n",
       "263                 76      390        Subscriber      NaN  \n",
       "317                 76      626          Customer      NaN  \n",
       "355                 58      578          Customer      NaN  \n",
       "382                 70      267        Subscriber      NaN  \n",
       "388                 39      541          Customer      NaN  \n",
       "422                 73      353          Customer      NaN  \n",
       "423                 66      431        Subscriber      NaN  \n",
       "430                 68      466          Customer      NaN  \n",
       "439                 66      489        Subscriber      NaN  \n",
       "449                 67      574        Subscriber      NaN  \n",
       "478                 67      506          Customer      NaN  \n",
       "482                 48      579          Customer      NaN  \n",
       "484                 70      574          Customer      NaN  \n",
       "536                 56      324        Subscriber      NaN  \n",
       "539                 66      356        Subscriber      NaN  \n",
       "546                  4       68          Customer      NaN  \n",
       "549                 50      370        Subscriber      NaN  \n",
       "555                 72      571          Customer      NaN  \n",
       "561                  4      188          Customer      NaN  \n",
       "589                 60      377          Customer      NaN  \n",
       "601                 58      623          Customer      NaN  \n",
       "604                 58      632          Customer      NaN  \n",
       "618                 60      584          Customer      NaN  \n",
       "...                ...      ...               ...      ...  \n",
       "664480              77      631        Subscriber      NaN  \n",
       "664719              62      405        Subscriber      NaN  \n",
       "664758              56      472          Customer      NaN  \n",
       "664761              77      428        Subscriber      NaN  \n",
       "664765              64      570        Subscriber      NaN  \n",
       "664772              50      637          Customer      NaN  \n",
       "664774              57      436        Subscriber      NaN  \n",
       "664811              48      481          Customer      NaN  \n",
       "664812              48      630          Customer      NaN  \n",
       "664821              62      625        Subscriber      NaN  \n",
       "664946              75      541        Subscriber      NaN  \n",
       "665509              72      327        Subscriber      NaN  \n",
       "665510              72      335        Subscriber      NaN  \n",
       "665529              73      371        Subscriber      NaN  \n",
       "665530              73      335        Subscriber      NaN  \n",
       "665655              77      592        Subscriber      NaN  \n",
       "665845              48      520        Subscriber      NaN  \n",
       "665847              48      381        Subscriber      NaN  \n",
       "665974              39      381        Subscriber      NaN  \n",
       "665975              39      591        Subscriber      NaN  \n",
       "666187              64      509        Subscriber      NaN  \n",
       "666648              70      620        Subscriber      NaN  \n",
       "666877              66      677        Subscriber      NaN  \n",
       "667253              77      411        Subscriber      NaN  \n",
       "667515              61      338        Subscriber      NaN  \n",
       "667522              48      429          Customer      NaN  \n",
       "667532              60      338        Subscriber      NaN  \n",
       "667535              51       67          Customer      NaN  \n",
       "667668              48      469          Customer      NaN  \n",
       "667671              48      402          Customer      NaN  \n",
       "\n",
       "[8309 rows x 11 columns]"
      ]
     },
     "execution_count": 38,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data.loc[trips_data['zip_code'].isnull()]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 39,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>id</th>\n",
       "      <th>duration</th>\n",
       "      <th>start_date</th>\n",
       "      <th>start_station_name</th>\n",
       "      <th>start_station_id</th>\n",
       "      <th>end_date</th>\n",
       "      <th>end_station_name</th>\n",
       "      <th>end_station_id</th>\n",
       "      <th>bike_id</th>\n",
       "      <th>subscription_type</th>\n",
       "      <th>zip_code</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>432191</td>\n",
       "      <td>383.0</td>\n",
       "      <td>8/30/2014 18:00</td>\n",
       "      <td>San Antonio Shopping Center</td>\n",
       "      <td>31</td>\n",
       "      <td>8/30/2014 18:07</td>\n",
       "      <td>Rengstorff Avenue / California Street</td>\n",
       "      <td>33</td>\n",
       "      <td>179</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94040-1724</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>4607</td>\n",
       "      <td>70.0</td>\n",
       "      <td>8/29/2013 14:42</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>8/29/2013 14:43</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>661</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95138</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>4130</td>\n",
       "      <td>71.0</td>\n",
       "      <td>8/29/2013 10:16</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>8/29/2013 10:17</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>48</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>97214</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>4251</td>\n",
       "      <td>77.0</td>\n",
       "      <td>8/29/2013 11:29</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>8/29/2013 11:30</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>26</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95060</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>4299</td>\n",
       "      <td>83.0</td>\n",
       "      <td>8/29/2013 12:02</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>8/29/2013 12:04</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>319</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94103</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>4927</td>\n",
       "      <td>103.0</td>\n",
       "      <td>8/29/2013 18:54</td>\n",
       "      <td>Golden Gate at Polk</td>\n",
       "      <td>59</td>\n",
       "      <td>8/29/2013 18:56</td>\n",
       "      <td>Golden Gate at Polk</td>\n",
       "      <td>59</td>\n",
       "      <td>527</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94109</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>4500</td>\n",
       "      <td>109.0</td>\n",
       "      <td>8/29/2013 13:25</td>\n",
       "      <td>Santa Clara at Almaden</td>\n",
       "      <td>4</td>\n",
       "      <td>8/29/2013 13:27</td>\n",
       "      <td>Adobe on Almaden</td>\n",
       "      <td>5</td>\n",
       "      <td>679</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95112</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>4563</td>\n",
       "      <td>111.0</td>\n",
       "      <td>8/29/2013 14:02</td>\n",
       "      <td>San Salvador at 1st</td>\n",
       "      <td>8</td>\n",
       "      <td>8/29/2013 14:04</td>\n",
       "      <td>San Salvador at 1st</td>\n",
       "      <td>8</td>\n",
       "      <td>687</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95112</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>4760</td>\n",
       "      <td>113.0</td>\n",
       "      <td>8/29/2013 17:01</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>8/29/2013 17:03</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>553</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94103</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>10</th>\n",
       "      <td>4258</td>\n",
       "      <td>114.0</td>\n",
       "      <td>8/29/2013 11:33</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>8/29/2013 11:35</td>\n",
       "      <td>MLK Library</td>\n",
       "      <td>11</td>\n",
       "      <td>107</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95060</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>11</th>\n",
       "      <td>4549</td>\n",
       "      <td>125.0</td>\n",
       "      <td>8/29/2013 13:52</td>\n",
       "      <td>Spear at Folsom</td>\n",
       "      <td>49</td>\n",
       "      <td>8/29/2013 13:55</td>\n",
       "      <td>Embarcadero at Bryant</td>\n",
       "      <td>54</td>\n",
       "      <td>368</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94109</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>12</th>\n",
       "      <td>4498</td>\n",
       "      <td>126.0</td>\n",
       "      <td>8/29/2013 13:23</td>\n",
       "      <td>San Pedro Square</td>\n",
       "      <td>6</td>\n",
       "      <td>8/29/2013 13:25</td>\n",
       "      <td>Santa Clara at Almaden</td>\n",
       "      <td>4</td>\n",
       "      <td>26</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95112</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>13</th>\n",
       "      <td>4965</td>\n",
       "      <td>129.0</td>\n",
       "      <td>8/29/2013 19:32</td>\n",
       "      <td>Mountain View Caltrain Station</td>\n",
       "      <td>28</td>\n",
       "      <td>8/29/2013 19:35</td>\n",
       "      <td>Mountain View Caltrain Station</td>\n",
       "      <td>28</td>\n",
       "      <td>140</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94041</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14</th>\n",
       "      <td>4557</td>\n",
       "      <td>130.0</td>\n",
       "      <td>8/29/2013 13:57</td>\n",
       "      <td>2nd at South Park</td>\n",
       "      <td>64</td>\n",
       "      <td>8/29/2013 13:59</td>\n",
       "      <td>2nd at South Park</td>\n",
       "      <td>64</td>\n",
       "      <td>371</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94122</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>15</th>\n",
       "      <td>4386</td>\n",
       "      <td>134.0</td>\n",
       "      <td>8/29/2013 12:31</td>\n",
       "      <td>Clay at Battery</td>\n",
       "      <td>41</td>\n",
       "      <td>8/29/2013 12:33</td>\n",
       "      <td>Beale at Market</td>\n",
       "      <td>56</td>\n",
       "      <td>503</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94109</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>16</th>\n",
       "      <td>4749</td>\n",
       "      <td>138.0</td>\n",
       "      <td>8/29/2013 16:57</td>\n",
       "      <td>Post at Kearney</td>\n",
       "      <td>47</td>\n",
       "      <td>8/29/2013 16:59</td>\n",
       "      <td>Post at Kearney</td>\n",
       "      <td>47</td>\n",
       "      <td>408</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94117</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>17</th>\n",
       "      <td>4242</td>\n",
       "      <td>141.0</td>\n",
       "      <td>8/29/2013 11:25</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>8/29/2013 11:27</td>\n",
       "      <td>San Jose City Hall</td>\n",
       "      <td>10</td>\n",
       "      <td>26</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95060</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>18</th>\n",
       "      <td>4329</td>\n",
       "      <td>142.0</td>\n",
       "      <td>8/29/2013 12:11</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>8/29/2013 12:14</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>319</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94103</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>19</th>\n",
       "      <td>5097</td>\n",
       "      <td>142.0</td>\n",
       "      <td>8/29/2013 22:21</td>\n",
       "      <td>Steuart at Market</td>\n",
       "      <td>74</td>\n",
       "      <td>8/29/2013 22:24</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>564</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94115</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>20</th>\n",
       "      <td>5084</td>\n",
       "      <td>144.0</td>\n",
       "      <td>8/29/2013 22:06</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>8/29/2013 22:08</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>574</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94115</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>21</th>\n",
       "      <td>4982</td>\n",
       "      <td>146.0</td>\n",
       "      <td>8/29/2013 19:42</td>\n",
       "      <td>Spear at Folsom</td>\n",
       "      <td>49</td>\n",
       "      <td>8/29/2013 19:44</td>\n",
       "      <td>Embarcadero at Bryant</td>\n",
       "      <td>54</td>\n",
       "      <td>542</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94105</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>22</th>\n",
       "      <td>4417</td>\n",
       "      <td>148.0</td>\n",
       "      <td>8/29/2013 12:45</td>\n",
       "      <td>Redwood City Caltrain Station</td>\n",
       "      <td>22</td>\n",
       "      <td>8/29/2013 12:48</td>\n",
       "      <td>Redwood City Caltrain Station</td>\n",
       "      <td>22</td>\n",
       "      <td>159</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94061</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>23</th>\n",
       "      <td>4265</td>\n",
       "      <td>151.0</td>\n",
       "      <td>8/29/2013 11:40</td>\n",
       "      <td>San Francisco City Hall</td>\n",
       "      <td>58</td>\n",
       "      <td>8/29/2013 11:42</td>\n",
       "      <td>San Francisco City Hall</td>\n",
       "      <td>58</td>\n",
       "      <td>520</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94110</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>24</th>\n",
       "      <td>5093</td>\n",
       "      <td>160.0</td>\n",
       "      <td>8/29/2013 22:12</td>\n",
       "      <td>Post at Kearney</td>\n",
       "      <td>47</td>\n",
       "      <td>8/29/2013 22:14</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>442</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94115</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>25</th>\n",
       "      <td>4168</td>\n",
       "      <td>161.0</td>\n",
       "      <td>8/29/2013 10:56</td>\n",
       "      <td>Beale at Market</td>\n",
       "      <td>56</td>\n",
       "      <td>8/29/2013 10:59</td>\n",
       "      <td>Steuart at Market</td>\n",
       "      <td>74</td>\n",
       "      <td>414</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94117</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>26</th>\n",
       "      <td>4550</td>\n",
       "      <td>163.0</td>\n",
       "      <td>8/29/2013 13:53</td>\n",
       "      <td>Japantown</td>\n",
       "      <td>9</td>\n",
       "      <td>8/29/2013 13:56</td>\n",
       "      <td>Japantown</td>\n",
       "      <td>9</td>\n",
       "      <td>684</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95112</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>27</th>\n",
       "      <td>4533</td>\n",
       "      <td>165.0</td>\n",
       "      <td>8/29/2013 13:43</td>\n",
       "      <td>Temporary Transbay Terminal (Howard at Beale)</td>\n",
       "      <td>55</td>\n",
       "      <td>8/29/2013 13:46</td>\n",
       "      <td>Embarcadero at Folsom</td>\n",
       "      <td>51</td>\n",
       "      <td>365</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94109</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>28</th>\n",
       "      <td>4510</td>\n",
       "      <td>166.0</td>\n",
       "      <td>8/29/2013 13:31</td>\n",
       "      <td>San Jose Civic Center</td>\n",
       "      <td>3</td>\n",
       "      <td>8/29/2013 13:34</td>\n",
       "      <td>San Salvador at 1st</td>\n",
       "      <td>8</td>\n",
       "      <td>661</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>95112</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>29</th>\n",
       "      <td>5070</td>\n",
       "      <td>168.0</td>\n",
       "      <td>8/29/2013 21:43</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>8/29/2013 21:46</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>598</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94115</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>30</th>\n",
       "      <td>4917</td>\n",
       "      <td>169.0</td>\n",
       "      <td>8/29/2013 18:45</td>\n",
       "      <td>Redwood City Medical Center</td>\n",
       "      <td>26</td>\n",
       "      <td>8/29/2013 18:48</td>\n",
       "      <td>Broadway at Main</td>\n",
       "      <td>25</td>\n",
       "      <td>229</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94041</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669929</th>\n",
       "      <td>433003</td>\n",
       "      <td>518.0</td>\n",
       "      <td>9/1/2014 9:30</td>\n",
       "      <td>Ryland Park</td>\n",
       "      <td>84</td>\n",
       "      <td>9/1/2014 9:38</td>\n",
       "      <td>San Jose Civic Center</td>\n",
       "      <td>3</td>\n",
       "      <td>161</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>5112</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669930</th>\n",
       "      <td>433002</td>\n",
       "      <td>23767.0</td>\n",
       "      <td>9/1/2014 9:29</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>9/1/2014 16:05</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>625</td>\n",
       "      <td>Customer</td>\n",
       "      <td>31100</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669931</th>\n",
       "      <td>433001</td>\n",
       "      <td>23783.0</td>\n",
       "      <td>9/1/2014 9:29</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>9/1/2014 16:05</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>878</td>\n",
       "      <td>Customer</td>\n",
       "      <td>31100</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669932</th>\n",
       "      <td>432999</td>\n",
       "      <td>661.0</td>\n",
       "      <td>9/1/2014 9:18</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>9/1/2014 9:29</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>470</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94103</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669933</th>\n",
       "      <td>432998</td>\n",
       "      <td>321.0</td>\n",
       "      <td>9/1/2014 9:16</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>9/1/2014 9:22</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>421</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94107</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669934</th>\n",
       "      <td>432996</td>\n",
       "      <td>437.0</td>\n",
       "      <td>9/1/2014 8:58</td>\n",
       "      <td>Grant Avenue at Columbus Avenue</td>\n",
       "      <td>73</td>\n",
       "      <td>9/1/2014 9:05</td>\n",
       "      <td>Howard at 2nd</td>\n",
       "      <td>63</td>\n",
       "      <td>313</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94133</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669935</th>\n",
       "      <td>432995</td>\n",
       "      <td>7508.0</td>\n",
       "      <td>9/1/2014 8:55</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>9/1/2014 11:00</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>535</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669936</th>\n",
       "      <td>432994</td>\n",
       "      <td>7503.0</td>\n",
       "      <td>9/1/2014 8:55</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>9/1/2014 11:00</td>\n",
       "      <td>Powell at Post (Union Square)</td>\n",
       "      <td>71</td>\n",
       "      <td>400</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669937</th>\n",
       "      <td>432991</td>\n",
       "      <td>314.0</td>\n",
       "      <td>9/1/2014 8:49</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>9/1/2014 8:54</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>575</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94080</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669938</th>\n",
       "      <td>432985</td>\n",
       "      <td>419.0</td>\n",
       "      <td>9/1/2014 8:41</td>\n",
       "      <td>Embarcadero at Vallejo</td>\n",
       "      <td>48</td>\n",
       "      <td>9/1/2014 8:48</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>285</td>\n",
       "      <td>Customer</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669939</th>\n",
       "      <td>432981</td>\n",
       "      <td>1536.0</td>\n",
       "      <td>9/1/2014 8:31</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>9/1/2014 8:57</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>317</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669940</th>\n",
       "      <td>432980</td>\n",
       "      <td>1545.0</td>\n",
       "      <td>9/1/2014 8:31</td>\n",
       "      <td>Market at 4th</td>\n",
       "      <td>76</td>\n",
       "      <td>9/1/2014 8:57</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>590</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669941</th>\n",
       "      <td>432979</td>\n",
       "      <td>1290.0</td>\n",
       "      <td>9/1/2014 8:30</td>\n",
       "      <td>Davis at Jackson</td>\n",
       "      <td>42</td>\n",
       "      <td>9/1/2014 8:52</td>\n",
       "      <td>Davis at Jackson</td>\n",
       "      <td>42</td>\n",
       "      <td>462</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94111</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669942</th>\n",
       "      <td>432978</td>\n",
       "      <td>630.0</td>\n",
       "      <td>9/1/2014 8:26</td>\n",
       "      <td>Embarcadero at Bryant</td>\n",
       "      <td>54</td>\n",
       "      <td>9/1/2014 8:36</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>566</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94105</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669943</th>\n",
       "      <td>432977</td>\n",
       "      <td>333.0</td>\n",
       "      <td>9/1/2014 8:24</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>9/1/2014 8:29</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>578</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94103</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669944</th>\n",
       "      <td>432972</td>\n",
       "      <td>6937.0</td>\n",
       "      <td>9/1/2014 8:16</td>\n",
       "      <td>Post at Kearny</td>\n",
       "      <td>47</td>\n",
       "      <td>9/1/2014 10:12</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>357</td>\n",
       "      <td>Customer</td>\n",
       "      <td>nil</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669945</th>\n",
       "      <td>432971</td>\n",
       "      <td>450.0</td>\n",
       "      <td>9/1/2014 8:12</td>\n",
       "      <td>Steuart at Market</td>\n",
       "      <td>74</td>\n",
       "      <td>9/1/2014 8:19</td>\n",
       "      <td>Embarcadero at Sansome</td>\n",
       "      <td>60</td>\n",
       "      <td>375</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94066</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669946</th>\n",
       "      <td>432967</td>\n",
       "      <td>161.0</td>\n",
       "      <td>9/1/2014 8:11</td>\n",
       "      <td>Embarcadero at Folsom</td>\n",
       "      <td>51</td>\n",
       "      <td>9/1/2014 8:14</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>496</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94105</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669947</th>\n",
       "      <td>432966</td>\n",
       "      <td>17396.0</td>\n",
       "      <td>9/1/2014 7:37</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>9/1/2014 12:27</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>140</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94085</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669948</th>\n",
       "      <td>432965</td>\n",
       "      <td>17297.0</td>\n",
       "      <td>9/1/2014 7:37</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>9/1/2014 12:25</td>\n",
       "      <td>Mountain View City Hall</td>\n",
       "      <td>27</td>\n",
       "      <td>57</td>\n",
       "      <td>Customer</td>\n",
       "      <td>94085</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669949</th>\n",
       "      <td>432964</td>\n",
       "      <td>169.0</td>\n",
       "      <td>9/1/2014 7:32</td>\n",
       "      <td>Embarcadero at Bryant</td>\n",
       "      <td>54</td>\n",
       "      <td>9/1/2014 7:35</td>\n",
       "      <td>Embarcadero at Folsom</td>\n",
       "      <td>51</td>\n",
       "      <td>496</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94105</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669950</th>\n",
       "      <td>432960</td>\n",
       "      <td>5667.0</td>\n",
       "      <td>9/1/2014 7:03</td>\n",
       "      <td>Japantown</td>\n",
       "      <td>9</td>\n",
       "      <td>9/1/2014 8:38</td>\n",
       "      <td>Japantown</td>\n",
       "      <td>9</td>\n",
       "      <td>56</td>\n",
       "      <td>Customer</td>\n",
       "      <td>95112</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669951</th>\n",
       "      <td>432959</td>\n",
       "      <td>441.0</td>\n",
       "      <td>9/1/2014 6:58</td>\n",
       "      <td>Market at 10th</td>\n",
       "      <td>67</td>\n",
       "      <td>9/1/2014 7:05</td>\n",
       "      <td>Market at Sansome</td>\n",
       "      <td>77</td>\n",
       "      <td>617</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94132</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669952</th>\n",
       "      <td>432957</td>\n",
       "      <td>398.0</td>\n",
       "      <td>9/1/2014 5:54</td>\n",
       "      <td>Yerba Buena Center of the Arts (3rd @ Howard)</td>\n",
       "      <td>68</td>\n",
       "      <td>9/1/2014 6:00</td>\n",
       "      <td>Steuart at Market</td>\n",
       "      <td>74</td>\n",
       "      <td>561</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94112</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669953</th>\n",
       "      <td>432952</td>\n",
       "      <td>240.0</td>\n",
       "      <td>9/1/2014 4:59</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>9/1/2014 5:03</td>\n",
       "      <td>Civic Center BART (7th at Market)</td>\n",
       "      <td>72</td>\n",
       "      <td>292</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94102</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669954</th>\n",
       "      <td>432951</td>\n",
       "      <td>619.0</td>\n",
       "      <td>9/1/2014 4:21</td>\n",
       "      <td>Powell Street BART</td>\n",
       "      <td>39</td>\n",
       "      <td>9/1/2014 4:32</td>\n",
       "      <td>Townsend at 7th</td>\n",
       "      <td>65</td>\n",
       "      <td>335</td>\n",
       "      <td>Subscriber</td>\n",
       "      <td>94118</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669955</th>\n",
       "      <td>432950</td>\n",
       "      <td>6712.0</td>\n",
       "      <td>9/1/2014 3:16</td>\n",
       "      <td>Harry Bridges Plaza (Ferry Building)</td>\n",
       "      <td>50</td>\n",
       "      <td>9/1/2014 5:08</td>\n",
       "      <td>San Francisco Caltrain (Townsend at 4th)</td>\n",
       "      <td>70</td>\n",
       "      <td>259</td>\n",
       "      <td>Customer</td>\n",
       "      <td>44100</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669956</th>\n",
       "      <td>432949</td>\n",
       "      <td>538.0</td>\n",
       "      <td>9/1/2014 0:05</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>9/1/2014 0:14</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>466</td>\n",
       "      <td>Customer</td>\n",
       "      <td>32</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669957</th>\n",
       "      <td>432948</td>\n",
       "      <td>568.0</td>\n",
       "      <td>9/1/2014 0:05</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>9/1/2014 0:15</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>461</td>\n",
       "      <td>Customer</td>\n",
       "      <td>32</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>669958</th>\n",
       "      <td>432947</td>\n",
       "      <td>569.0</td>\n",
       "      <td>9/1/2014 0:05</td>\n",
       "      <td>South Van Ness at Market</td>\n",
       "      <td>66</td>\n",
       "      <td>9/1/2014 0:15</td>\n",
       "      <td>5th at Howard</td>\n",
       "      <td>57</td>\n",
       "      <td>318</td>\n",
       "      <td>Customer</td>\n",
       "      <td>32</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>661622 rows × 11 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "            id  duration       start_date  \\\n",
       "0       432191     383.0  8/30/2014 18:00   \n",
       "2         4607      70.0  8/29/2013 14:42   \n",
       "3         4130      71.0  8/29/2013 10:16   \n",
       "4         4251      77.0  8/29/2013 11:29   \n",
       "5         4299      83.0  8/29/2013 12:02   \n",
       "6         4927     103.0  8/29/2013 18:54   \n",
       "7         4500     109.0  8/29/2013 13:25   \n",
       "8         4563     111.0  8/29/2013 14:02   \n",
       "9         4760     113.0  8/29/2013 17:01   \n",
       "10        4258     114.0  8/29/2013 11:33   \n",
       "11        4549     125.0  8/29/2013 13:52   \n",
       "12        4498     126.0  8/29/2013 13:23   \n",
       "13        4965     129.0  8/29/2013 19:32   \n",
       "14        4557     130.0  8/29/2013 13:57   \n",
       "15        4386     134.0  8/29/2013 12:31   \n",
       "16        4749     138.0  8/29/2013 16:57   \n",
       "17        4242     141.0  8/29/2013 11:25   \n",
       "18        4329     142.0  8/29/2013 12:11   \n",
       "19        5097     142.0  8/29/2013 22:21   \n",
       "20        5084     144.0  8/29/2013 22:06   \n",
       "21        4982     146.0  8/29/2013 19:42   \n",
       "22        4417     148.0  8/29/2013 12:45   \n",
       "23        4265     151.0  8/29/2013 11:40   \n",
       "24        5093     160.0  8/29/2013 22:12   \n",
       "25        4168     161.0  8/29/2013 10:56   \n",
       "26        4550     163.0  8/29/2013 13:53   \n",
       "27        4533     165.0  8/29/2013 13:43   \n",
       "28        4510     166.0  8/29/2013 13:31   \n",
       "29        5070     168.0  8/29/2013 21:43   \n",
       "30        4917     169.0  8/29/2013 18:45   \n",
       "...        ...       ...              ...   \n",
       "669929  433003     518.0    9/1/2014 9:30   \n",
       "669930  433002   23767.0    9/1/2014 9:29   \n",
       "669931  433001   23783.0    9/1/2014 9:29   \n",
       "669932  432999     661.0    9/1/2014 9:18   \n",
       "669933  432998     321.0    9/1/2014 9:16   \n",
       "669934  432996     437.0    9/1/2014 8:58   \n",
       "669935  432995    7508.0    9/1/2014 8:55   \n",
       "669936  432994    7503.0    9/1/2014 8:55   \n",
       "669937  432991     314.0    9/1/2014 8:49   \n",
       "669938  432985     419.0    9/1/2014 8:41   \n",
       "669939  432981    1536.0    9/1/2014 8:31   \n",
       "669940  432980    1545.0    9/1/2014 8:31   \n",
       "669941  432979    1290.0    9/1/2014 8:30   \n",
       "669942  432978     630.0    9/1/2014 8:26   \n",
       "669943  432977     333.0    9/1/2014 8:24   \n",
       "669944  432972    6937.0    9/1/2014 8:16   \n",
       "669945  432971     450.0    9/1/2014 8:12   \n",
       "669946  432967     161.0    9/1/2014 8:11   \n",
       "669947  432966   17396.0    9/1/2014 7:37   \n",
       "669948  432965   17297.0    9/1/2014 7:37   \n",
       "669949  432964     169.0    9/1/2014 7:32   \n",
       "669950  432960    5667.0    9/1/2014 7:03   \n",
       "669951  432959     441.0    9/1/2014 6:58   \n",
       "669952  432957     398.0    9/1/2014 5:54   \n",
       "669953  432952     240.0    9/1/2014 4:59   \n",
       "669954  432951     619.0    9/1/2014 4:21   \n",
       "669955  432950    6712.0    9/1/2014 3:16   \n",
       "669956  432949     538.0    9/1/2014 0:05   \n",
       "669957  432948     568.0    9/1/2014 0:05   \n",
       "669958  432947     569.0    9/1/2014 0:05   \n",
       "\n",
       "                                   start_station_name  start_station_id  \\\n",
       "0                         San Antonio Shopping Center                31   \n",
       "2                                  San Jose City Hall                10   \n",
       "3                             Mountain View City Hall                27   \n",
       "4                                  San Jose City Hall                10   \n",
       "5                            South Van Ness at Market                66   \n",
       "6                                 Golden Gate at Polk                59   \n",
       "7                              Santa Clara at Almaden                 4   \n",
       "8                                 San Salvador at 1st                 8   \n",
       "9                            South Van Ness at Market                66   \n",
       "10                                 San Jose City Hall                10   \n",
       "11                                    Spear at Folsom                49   \n",
       "12                                   San Pedro Square                 6   \n",
       "13                     Mountain View Caltrain Station                28   \n",
       "14                                  2nd at South Park                64   \n",
       "15                                    Clay at Battery                41   \n",
       "16                                    Post at Kearney                47   \n",
       "17                                 San Jose City Hall                10   \n",
       "18                                     Market at 10th                67   \n",
       "19                                  Steuart at Market                74   \n",
       "20                                 Powell Street BART                39   \n",
       "21                                    Spear at Folsom                49   \n",
       "22                      Redwood City Caltrain Station                22   \n",
       "23                            San Francisco City Hall                58   \n",
       "24                                    Post at Kearney                47   \n",
       "25                                    Beale at Market                56   \n",
       "26                                          Japantown                 9   \n",
       "27      Temporary Transbay Terminal (Howard at Beale)                55   \n",
       "28                              San Jose Civic Center                 3   \n",
       "29                           South Van Ness at Market                66   \n",
       "30                        Redwood City Medical Center                26   \n",
       "...                                               ...               ...   \n",
       "669929                                    Ryland Park                84   \n",
       "669930                                  Market at 4th                76   \n",
       "669931                                  Market at 4th                76   \n",
       "669932                       South Van Ness at Market                66   \n",
       "669933                                 Market at 10th                67   \n",
       "669934                Grant Avenue at Columbus Avenue                73   \n",
       "669935                  Powell at Post (Union Square)                71   \n",
       "669936                  Powell at Post (Union Square)                71   \n",
       "669937                                  Market at 4th                76   \n",
       "669938                         Embarcadero at Vallejo                48   \n",
       "669939                                  Market at 4th                76   \n",
       "669940                                  Market at 4th                76   \n",
       "669941                               Davis at Jackson                42   \n",
       "669942                          Embarcadero at Bryant                54   \n",
       "669943                                 Market at 10th                67   \n",
       "669944                                 Post at Kearny                47   \n",
       "669945                              Steuart at Market                74   \n",
       "669946                          Embarcadero at Folsom                51   \n",
       "669947                        Mountain View City Hall                27   \n",
       "669948                        Mountain View City Hall                27   \n",
       "669949                          Embarcadero at Bryant                54   \n",
       "669950                                      Japantown                 9   \n",
       "669951                                 Market at 10th                67   \n",
       "669952  Yerba Buena Center of the Arts (3rd @ Howard)                68   \n",
       "669953                       South Van Ness at Market                66   \n",
       "669954                             Powell Street BART                39   \n",
       "669955           Harry Bridges Plaza (Ferry Building)                50   \n",
       "669956                       South Van Ness at Market                66   \n",
       "669957                       South Van Ness at Market                66   \n",
       "669958                       South Van Ness at Market                66   \n",
       "\n",
       "               end_date                          end_station_name  \\\n",
       "0       8/30/2014 18:07     Rengstorff Avenue / California Street   \n",
       "2       8/29/2013 14:43                        San Jose City Hall   \n",
       "3       8/29/2013 10:17                   Mountain View City Hall   \n",
       "4       8/29/2013 11:30                        San Jose City Hall   \n",
       "5       8/29/2013 12:04                            Market at 10th   \n",
       "6       8/29/2013 18:56                       Golden Gate at Polk   \n",
       "7       8/29/2013 13:27                          Adobe on Almaden   \n",
       "8       8/29/2013 14:04                       San Salvador at 1st   \n",
       "9       8/29/2013 17:03                  South Van Ness at Market   \n",
       "10      8/29/2013 11:35                               MLK Library   \n",
       "11      8/29/2013 13:55                     Embarcadero at Bryant   \n",
       "12      8/29/2013 13:25                    Santa Clara at Almaden   \n",
       "13      8/29/2013 19:35            Mountain View Caltrain Station   \n",
       "14      8/29/2013 13:59                         2nd at South Park   \n",
       "15      8/29/2013 12:33                           Beale at Market   \n",
       "16      8/29/2013 16:59                           Post at Kearney   \n",
       "17      8/29/2013 11:27                        San Jose City Hall   \n",
       "18      8/29/2013 12:14                            Market at 10th   \n",
       "19      8/29/2013 22:24      Harry Bridges Plaza (Ferry Building)   \n",
       "20      8/29/2013 22:08                             Market at 4th   \n",
       "21      8/29/2013 19:44                     Embarcadero at Bryant   \n",
       "22      8/29/2013 12:48             Redwood City Caltrain Station   \n",
       "23      8/29/2013 11:42                   San Francisco City Hall   \n",
       "24      8/29/2013 22:14                         Market at Sansome   \n",
       "25      8/29/2013 10:59                         Steuart at Market   \n",
       "26      8/29/2013 13:56                                 Japantown   \n",
       "27      8/29/2013 13:46                     Embarcadero at Folsom   \n",
       "28      8/29/2013 13:34                       San Salvador at 1st   \n",
       "29      8/29/2013 21:46                  South Van Ness at Market   \n",
       "30      8/29/2013 18:48                          Broadway at Main   \n",
       "...                 ...                                       ...   \n",
       "669929    9/1/2014 9:38                     San Jose Civic Center   \n",
       "669930   9/1/2014 16:05             Powell at Post (Union Square)   \n",
       "669931   9/1/2014 16:05             Powell at Post (Union Square)   \n",
       "669932    9/1/2014 9:29                         Market at Sansome   \n",
       "669933    9/1/2014 9:22                        Powell Street BART   \n",
       "669934    9/1/2014 9:05                             Howard at 2nd   \n",
       "669935   9/1/2014 11:00             Powell at Post (Union Square)   \n",
       "669936   9/1/2014 11:00             Powell at Post (Union Square)   \n",
       "669937    9/1/2014 8:54  San Francisco Caltrain (Townsend at 4th)   \n",
       "669938    9/1/2014 8:48                    Embarcadero at Sansome   \n",
       "669939    9/1/2014 8:57                    Embarcadero at Sansome   \n",
       "669940    9/1/2014 8:57                    Embarcadero at Sansome   \n",
       "669941    9/1/2014 8:52                          Davis at Jackson   \n",
       "669942    9/1/2014 8:36                    Embarcadero at Sansome   \n",
       "669943    9/1/2014 8:29                        Powell Street BART   \n",
       "669944   9/1/2014 10:12                         Market at Sansome   \n",
       "669945    9/1/2014 8:19                    Embarcadero at Sansome   \n",
       "669946    9/1/2014 8:14      Harry Bridges Plaza (Ferry Building)   \n",
       "669947   9/1/2014 12:27                   Mountain View City Hall   \n",
       "669948   9/1/2014 12:25                   Mountain View City Hall   \n",
       "669949    9/1/2014 7:35                     Embarcadero at Folsom   \n",
       "669950    9/1/2014 8:38                                 Japantown   \n",
       "669951    9/1/2014 7:05                         Market at Sansome   \n",
       "669952    9/1/2014 6:00                         Steuart at Market   \n",
       "669953    9/1/2014 5:03         Civic Center BART (7th at Market)   \n",
       "669954    9/1/2014 4:32                           Townsend at 7th   \n",
       "669955    9/1/2014 5:08  San Francisco Caltrain (Townsend at 4th)   \n",
       "669956    9/1/2014 0:14                             5th at Howard   \n",
       "669957    9/1/2014 0:15                             5th at Howard   \n",
       "669958    9/1/2014 0:15                             5th at Howard   \n",
       "\n",
       "        end_station_id  bike_id subscription_type    zip_code  \n",
       "0                   33      179        Subscriber  94040-1724  \n",
       "2                   10      661        Subscriber       95138  \n",
       "3                   27       48        Subscriber       97214  \n",
       "4                   10       26        Subscriber       95060  \n",
       "5                   67      319        Subscriber       94103  \n",
       "6                   59      527        Subscriber       94109  \n",
       "7                    5      679        Subscriber       95112  \n",
       "8                    8      687        Subscriber       95112  \n",
       "9                   66      553        Subscriber       94103  \n",
       "10                  11      107        Subscriber       95060  \n",
       "11                  54      368        Subscriber       94109  \n",
       "12                   4       26        Subscriber       95112  \n",
       "13                  28      140        Subscriber       94041  \n",
       "14                  64      371        Subscriber       94122  \n",
       "15                  56      503        Subscriber       94109  \n",
       "16                  47      408        Subscriber       94117  \n",
       "17                  10       26        Subscriber       95060  \n",
       "18                  67      319        Subscriber       94103  \n",
       "19                  50      564        Subscriber       94115  \n",
       "20                  76      574        Subscriber       94115  \n",
       "21                  54      542        Subscriber       94105  \n",
       "22                  22      159        Subscriber       94061  \n",
       "23                  58      520        Subscriber       94110  \n",
       "24                  77      442        Subscriber       94115  \n",
       "25                  74      414          Customer       94117  \n",
       "26                   9      684        Subscriber       95112  \n",
       "27                  51      365        Subscriber       94109  \n",
       "28                   8      661        Subscriber       95112  \n",
       "29                  66      598        Subscriber       94115  \n",
       "30                  25      229        Subscriber       94041  \n",
       "...                ...      ...               ...         ...  \n",
       "669929               3      161        Subscriber        5112  \n",
       "669930              71      625          Customer       31100  \n",
       "669931              71      878          Customer       31100  \n",
       "669932              77      470        Subscriber       94103  \n",
       "669933              39      421        Subscriber       94107  \n",
       "669934              63      313        Subscriber       94133  \n",
       "669935              71      535          Customer         nil  \n",
       "669936              71      400          Customer         nil  \n",
       "669937              70      575        Subscriber       94080  \n",
       "669938              60      285          Customer           1  \n",
       "669939              60      317          Customer         nil  \n",
       "669940              60      590          Customer         nil  \n",
       "669941              42      462        Subscriber       94111  \n",
       "669942              60      566        Subscriber       94105  \n",
       "669943              39      578        Subscriber       94103  \n",
       "669944              77      357          Customer         nil  \n",
       "669945              60      375        Subscriber       94066  \n",
       "669946              50      496        Subscriber       94105  \n",
       "669947              27      140          Customer       94085  \n",
       "669948              27       57          Customer       94085  \n",
       "669949              51      496        Subscriber       94105  \n",
       "669950               9       56          Customer       95112  \n",
       "669951              77      617        Subscriber       94132  \n",
       "669952              74      561        Subscriber       94112  \n",
       "669953              72      292        Subscriber       94102  \n",
       "669954              65      335        Subscriber       94118  \n",
       "669955              70      259          Customer       44100  \n",
       "669956              57      466          Customer          32  \n",
       "669957              57      461          Customer          32  \n",
       "669958              57      318          Customer          32  \n",
       "\n",
       "[661622 rows x 11 columns]"
      ]
     },
     "execution_count": 39,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trips_data.loc[~(trips_data.isnull().any(axis=1))]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Summary\n",
    "- Index starts from 0\n",
    "- slicing can be done using the operators [ : ]\n",
    "- subsetting with loc and iloc\n",
    "    - loc is used to search using integers and labels : works on index\n",
    "    - iloc is used to search using integers : works on position \n",
    "- subsetting with condition works with all the operators of ==, <=, >=, !=\n",
    "- subsetting can be done with masks which give boolean results"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Exercises"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### P01 Subsetting - How many trips are done where subscription type is 'Subscriber' ?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "%load \"solutions/P01_Subset.py\""
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### P02 Subsetting -  How many trips are done where subscription type is 'Customer' and duration is >= 500"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "%load \"solutions/P02_Subset.py\""
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### P03 Subsetting - How many trips have ended in stations [10, 27, 66] ?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Hint: use isin() mask \n",
    "end_stations = [10, 27, 66]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "%load \"solutions/P03_Subset.py\""
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### P04 Subsetting - How many trips have started and ended in the same station"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Hint: Check where start station id = end station id\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "%load 'solutions/P04_Subset.py'"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### P05 Subsetting - What are the top 5 longest trips and the shortest 5 trips"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Hint: Use sort values and pick top 5 and bottom 5 rows\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "%load 'solutions/P05_Subset.py'"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### P06 Subsetting - Which end stations have zip code as null ?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "%load 'solutions/P06_Subset.py'"
   ]
  }
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