Training materials
Difficulty level: Not specified
and Licence: The Unlicense
and Contributors: Alvaro Gonzalez or Dr. Stephen David Laycock or Hadley Wickham or Jeroen Gilis or cambiotraining
Difficulty level: Not specified
and Licence: The Unlicense
and Contributors: Alvaro Gonzalez or Dr. Stephen David Laycock or Hadley Wickham or Jeroen Gilis or cambiotraining