How to Install R Base

Install R-base 3.1.1 on Ubuntu 14.04

R-Base is a free software environment for statistical computation and graphics. It consists of a language plus a run-time environment with graphics, a debugger, access to certain system functions, and the ability to run programs stored in script files. R-Base 3.1.1 changes R CMD Sweave no longer cleans any files by default, compatibly with versions of R prior to 3.1.0 The Bioconductor ‘version’ used by setRepositories() can now be set by environment variable R_BIOC_VERSION at runtime, not just when R is installed Error messages from bugs in embedded Sexpr code in Sweave documents now report the source location.