From d2cb0bcef38814d7e82ae218dd94833a0cdc64fd Mon Sep 17 00:00:00 2001
From: shataowei <taowei.sha@ymm56.com>
Date: Wed, 20 Nov 2019 19:09:51 +0800
Subject: [PATCH] =?UTF-8?q?=E7=BB=93=E6=9E=84=E8=B0=83=E6=95=B4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .idea/workspace.xml | 40 ++++++++++++++++++++--------------------
 README.md           | 16 ++++++++--------
 2 files changed, 28 insertions(+), 28 deletions(-)

diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 3023173..1b832af 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,7 +2,7 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="be5bf74e-ad1c-4197-8a1f-ac93566d8aa7" name="Default" comment="init">
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/机器学习/集成学习/GBDT.md" afterPath="$PROJECT_DIR$/机器学习/集成学习/GBDT.md" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/README.md" afterPath="$PROJECT_DIR$/README.md" />
     </list>
     <ignored path="Reflection_Summary.iws" />
     <ignored path=".idea/workspace.xml" />
@@ -23,7 +23,7 @@
   </component>
   <component name="FileEditorManager">
     <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
-      <file leaf-file-name="README.md" pinned="false" current-in-tab="false">
+      <file leaf-file-name="README.md" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/README.md">
           <provider editor-type-id="split-provider[text-editor;markdown-preview-editor]">
             <state split_layout="SPLIT">
@@ -37,7 +37,7 @@
           <provider selected="true" editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
             <state split_layout="SPLIT">
               <first_editor relative-caret-position="415">
-                <caret line="239" column="28" selection-start-line="239" selection-start-column="28" selection-end-line="239" selection-end-column="28" />
+                <caret line="239" column="47" selection-start-line="239" selection-start-column="47" selection-end-line="239" selection-end-column="47" />
                 <folding />
               </first_editor>
               <second_editor>
@@ -47,7 +47,7 @@
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="GBDT.md" pinned="false" current-in-tab="true">
+      <file leaf-file-name="GBDT.md" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/机器学习/集成学习/GBDT.md">
           <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
             <state split_layout="SPLIT">
@@ -138,8 +138,8 @@
         <option value="$PROJECT_DIR$/机器学习/支持向量机/支持向量机.md" />
         <option value="$PROJECT_DIR$/数据预处理/特征提取/数据变换.md" />
         <option value="$PROJECT_DIR$/机器学习/集成学习/Xgboost.md" />
-        <option value="$PROJECT_DIR$/README.md" />
         <option value="$PROJECT_DIR$/机器学习/集成学习/GBDT.md" />
+        <option value="$PROJECT_DIR$/README.md" />
       </list>
     </option>
   </component>
@@ -553,7 +553,7 @@
     <frame x="0" y="23" width="1440" height="823" extended-state="0" />
     <editor active="true" />
     <layout>
-      <window_info id="Project" active="true" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.23462088" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
+      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.23462088" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
       <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
       <window_info id="Event Log" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="true" content_ui="tabs" />
       <window_info id="Database" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
@@ -1431,20 +1431,20 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/README.md">
-      <provider editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+    <entry file="file://$PROJECT_DIR$/机器学习/集成学习/GBDT.md">
+      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
         <state split_layout="SPLIT">
-          <first_editor relative-caret-position="0">
-            <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+          <first_editor relative-caret-position="720">
+            <caret line="62" column="10" selection-start-line="62" selection-start-column="10" selection-end-line="62" selection-end-column="10" />
             <folding />
           </first_editor>
           <second_editor />
         </state>
       </provider>
-      <provider selected="true" editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
+      <provider editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
         <state split_layout="SPLIT">
-          <first_editor relative-caret-position="415">
-            <caret line="239" column="28" selection-start-line="239" selection-start-column="28" selection-end-line="239" selection-end-column="28" />
+          <first_editor relative-caret-position="0">
+            <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
             <folding />
           </first_editor>
           <second_editor>
@@ -1453,20 +1453,20 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/机器学习/集成学习/GBDT.md">
-      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+    <entry file="file://$PROJECT_DIR$/README.md">
+      <provider editor-type-id="split-provider[text-editor;markdown-preview-editor]">
         <state split_layout="SPLIT">
-          <first_editor relative-caret-position="720">
-            <caret line="62" column="10" selection-start-line="62" selection-start-column="10" selection-end-line="62" selection-end-column="10" />
+          <first_editor relative-caret-position="0">
+            <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
             <folding />
           </first_editor>
           <second_editor />
         </state>
       </provider>
-      <provider editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
+      <provider selected="true" editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
         <state split_layout="SPLIT">
-          <first_editor relative-caret-position="0">
-            <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+          <first_editor relative-caret-position="415">
+            <caret line="239" column="47" selection-start-line="239" selection-start-column="47" selection-end-line="239" selection-end-column="47" />
             <folding />
           </first_editor>
           <second_editor>
diff --git a/README.md b/README.md
index bc7be96..4572273 100644
--- a/README.md
+++ b/README.md
@@ -222,8 +222,8 @@
     - [常用回归问题的损失函数](机器学习/集成学习/GBDT.md#L164)
     - [常用分类问题的损失函数](机器学习/集成学习/GBDT.md#L164)
     - [什么是gbdt中的残差的负梯度](机器学习/集成学习/GBDT.md#L164)
-    - [如何用残差的负梯度实现gbdt](机器学习/集成学习/GBDT.md#L164)
-    - [拟合残差的负梯度为什么是可行的](机器学习/集成学习/GBDT.md#L164)
+    - [如何用损失函数的负梯度实现gbdt](机器学习/集成学习/GBDT.md#L164)
+    - [拟合损失函数的负梯度为什么是可行的](机器学习/集成学习/GBDT.md#L164)
     - [即便拟合负梯度是可行的，为什么不直接拟合残差？ 拟合负梯度好在哪里](机器学习/集成学习/GBDT.md#L164)
     - [Shrinkage收缩的作用](机器学习/集成学习/GBDT.md#L164)
     - [feature属性会被重复多次使用么](机器学习/集成学习/GBDT.md#L164)
@@ -232,12 +232,12 @@
     - [gbdt的优缺点](机器学习/集成学习/GBDT.md#L164)
     - [gbdt和randomforest区别](机器学习/集成学习/GBDT.md#L164)
     - [GBDT和LR的差异](机器学习/集成学习/GBDT.md#L164)
-    - [xgboost对比gbdt/boosting Tree有了哪些方向上的优化](机器学习/集成学习/xgboost.md#L164)
-    - [xgboost优化目标/损失函数改变成什么样](机器学习/集成学习/xgboost.md#L164)
-    - [xgboost如何使用MAE或MAPE作为目标函数](机器学习/集成学习/xgboost.md#L164)
-    - [xgboost如何寻找分裂节点的候选集](机器学习/集成学习/xgboost.md#L164)
-    - [xgboost如何处理缺失值](机器学习/集成学习/xgboost.md#L164)
-    - [xgboost在计算速度上有了哪些点上提升](机器学习/集成学习/xgboost.md#L164)
+    - [xgboost对比gbdt/boosting Tree有了哪些方向上的优化](机器学习/集成学习/Xgboost.md#L164)
+    - [xgboost优化目标/损失函数改变成什么样](机器学习/集成学习/Xgboost.md#L164)
+    - [xgboost如何使用MAE或MAPE作为目标函数](机器学习/集成学习/Xgboost.md#L164)
+    - [xgboost如何寻找分裂节点的候选集](机器学习/集成学习/Xgboost.md#L164)
+    - [xgboost如何处理缺失值](机器学习/集成学习/Xgboost.md#L164)
+    - [xgboost在计算速度上有了哪些点上提升](机器学习/集成学习/Xgboost.md#L164)
 - FM/FFM
 - SVM
     - [简单介绍SVM](机器学习/支持向量机/支持向量机.md#L164)