R: R (language and environment for statistical computing) R: R: R is a language and environment for statistical computing and R: graphics. It is a GNU project which is similar to the S language R: and environment which was developed at Bell Laboratories R: by John Chambers and colleagues. R can be considered as a R: different implementation of S. There are some important R: differences, but much code written for S runs unaltered under R. R: R: R: