Training materials
Authors: Peter van Heusden
and Contributors: Hadley Wickham or Mikko Rautiainen or Pavankumar Videm or Stéphanie Robin or Vilem Ded or Vitor Sousa
Authors: Peter van Heusden
and Contributors: Hadley Wickham or Mikko Rautiainen or Pavankumar Videm or Stéphanie Robin or Vilem Ded or Vitor Sousa