Training materials
Authors: Martin Čech
and Contributors: Björn Grüning or Hadley Wickham or Jan Slifka or Martin Strauch or Mateusz Kuzak or Subina Mehta
Authors: Martin Čech
and Contributors: Björn Grüning or Hadley Wickham or Jan Slifka or Martin Strauch or Mateusz Kuzak or Subina Mehta