Training materials
Keywords: ggPlot
and Contributors: Andrea Argentini or Björn Grüning or Dr. Martin Graham or Dr. Scooter Morris or Eija Korpelainen @eija, ekorpelainen@gmail.com or Elin Kronander or Martin Krzywinski or Martin Čech or Mateusz Kuzak or Melanie Foell or Patricia Palagi or Prof. Tom Freeman