June 2017
Beginner to intermediate
560 pages
17h 32m
English
R PackagesPerhaps the biggest reason for R’s phenomenally ascendant popularity is its collection of user contributed packages. As of early February 2017 there were over 10,000 packages available on CRAN1 written by more than 2,000 different people. Odds are good that if a statistical technique exists, it has been written in R and contributed to CRAN. Not only is there an incredibly large number of packages; many are written by the authorities in the field, such as Andrew Gelman, Trevor Hastie, Dirk Eddelbuettel and Hadley Wickham.
1. http://cran.r-project.org/web/packages/
A package is essentially a library of prewritten code designed to accomplish some task or a collection of tasks. The survival package is used for survival analysis, ggplot2 ...