R

R is an open source statistical/mathematical analysis language, similar but not identical to SAS.

[edit] 1 Installation

Mac OS X distribution: http://cran.fhcrc.org/bin/macosx

Matt Settles keeps a script that will install most of the useful bioinformatics packages and keep them up to date. You can run it by entering the commands:

source("http://mite.cswin.uidaho.edu/files/getIBEST.R");
getIBEST();

[edit] 2 Libraries

• Bioconductor -- a set of open source packages for bioinformatics programming

[edit] 3 References

• BCB404: Bioinformatics Using R and Bioconductor class webpage
• IBEST Wiki: R