Training materials
Authors: Markus Wolfien
and Contributors: Bazante Sanders or Bérénice Batut or Collins Assisi or Hadley Wickham or Jean-François Dufayard or Martin Čech
Authors: Markus Wolfien
and Contributors: Bazante Sanders or Bérénice Batut or Collins Assisi or Hadley Wickham or Jean-François Dufayard or Martin Čech