Training materials
Authors: F. Abascal, J. Aguirre, E. Andrés-León, D. Baji...
and Contributors: @posit-pbc or Anton Nekrutenko or Dr. Iain Milne or Dr. Simon Andrews or Kaivan Kamali or Maria Lehtivaara or Michael Krone or Portada: Enrique Sahagún or Prof. Tom Freeman