R is a free, open-source programming language and software environment for statistical computing, bioinformatics, and graphics.
R is a free, open-source programming language and software environment for statistical computing, bioinformatics, and graphics. R is an implementation of the S programming language combined with lexical scoping semantics inspired by Scheme. R was created by Ross Ihaka and Robert Gentleman and is now developed by the R Development Core Team. The R environment is easily extended through a packaging system on CRAN, the Comprehensive R Archive Network.