Useful Information on R

R is a free software environment for statistical computing and graphics. It compiles and runs on a wide variety of UNIX platforms, Windows and MacOS.

1. R CRAN Mirror
2. R Installation and Administration

Some useful package management instructions

1. R CMD INSTALL -l /path/to/library pkg1 pkg2 ...
2. R CMD REMOVE -l /path/to/library pkg1 pkg2 ...
3. 
   R CMD check -l libdir --install=check:pkgname.log pkgname

For more information, see 6 Add-on packages