Training materials
Max age: 1 week
and Contributors: Gildas Le Corguillé or Hadley Wickham or Marius van den Beek or Martin Krzywinski or Michael Ball or Pavel Dvorak or Prof. David Willaim Burt or Vicky Schneider
Max age: 1 week
and Contributors: Gildas Le Corguillé or Hadley Wickham or Marius van den Beek or Martin Krzywinski or Michael Ball or Pavel Dvorak or Prof. David Willaim Burt or Vicky Schneider