
 As environment for statistical computing, we recommend R. R is available as free
software from The Comprehensive R
Archive Network.
 R reference chart (from rpad.org): .pdf
 Here is the template from the R introduction session: template.R, example data
forbes.dat
 Another R tutorial (from R introduction in 2004): .pdf
 Here is another sample script for a first session in R: session.R
 SPlus is similar to R; only a few commands differ. Here is a
sample session in SPlus: tutorial.pdf. If you would like to
reproduce this session, you need the dataset ratozone.dat.

