He visto esta figura en Twitter y me ha encantado. Muy ilustrativa. Fuente: Vali Chandrasekaran, “Correlation or Causation? Need to prove something you already believe? Statistics are easy: All you need are two graphs and a leading question. But correlation may not imply causation, but it sure can help us insinuate it,” Bloomberg Businessweek, 12 Dec. 2011.