R_package_descriptions.txt

data.table: fast aggregation of large data
dplyr: fast and concise data manipulation packages
ggmap: extends the plotting package ggplot2 for maps, enables Google Maps API
igraph: routines for simple graphs and network analysis
KernSmooth: functions for kernel smoothing (and density estimation)
leaflet: package for interactive mapping
lubridate: functions to work with date-times and time-spans
maptools: provides various mapping functions, in particular 'ESRI Shapefiles'
rgdal: R's interface to the popular C/C++ spatial data processing library gdal
rgeos: R's interface to the powerful vector processing library geos
sp: used for classes and methods of handling spatial data
tidyr: fast and concise data manipulation packages
tmap: used to rapidly create beautiful maps
TTR: functions and data to construct technical trading rules with R. Used for series data