Training materials
Authors: Martin Čech
and Contributors: John Sundh or @posit-pbc or Barbara Kozlikova or Björn Grüning or Daniel Blankenberg or Hadley Wickham or Sergio Martínez Cuesta or Vilem Ded
Authors: Martin Čech
and Contributors: John Sundh or @posit-pbc or Barbara Kozlikova or Björn Grüning or Daniel Blankenberg or Hadley Wickham or Sergio Martínez Cuesta or Vilem Ded