#cartographie #visualisation #correlation
Businessweek
►http://www.businessweek.com/magazine/correlation-or-causation-12012011-gfx.html
Correlation or Causation?
Need to prove something you already believe? Statistics are easy: All you need are two graphs and a leading question
By Vali Chandrasekaran
Correlation may not imply causation, but it sure can help us insinuate it.