• You don’t know what a Wiki is? Look at http://en.wikipedia.org/wiki/Wiki.
• Read usage for a good use of this R Wiki.
• You want to contribute? Make sure you read this first!
• You want to know more about the R Wiki syntax? Look at:
  1. syntax
  2. dokuwiki
  3. specialformat
  4. rhighlighting
  5. asciimathml
  6. bibliography
• You want to practice first? Go to playground.

R-core position on Wiki