ess: ess (Emacs Speaks Statistics)
ess:
ess: ESS is an add-on package for emacs-based text editors such as
ess: GNU Emacs and XEmacs.  It is designed to support editing of
ess: scripts and interaction with various statistical analysis
ess: programs such as S-Plus, R, SAS, Stata, and others.
ess:
ess: http://ess.r-project.org/
ess:
ess:
ess: