R
Web Links

tnet is written and runs in R. You will need this programme (free) to run tnet.
  Web Link
  Link   The R Project for Statistical Computing
The main R page
  Link   Download R
Click on a server close to where you are in the world, and download R.
  Link   R wiki (help)
This is a wiki about R. Here you can find a number of solutions for common standard R problems.