Correlation doesn't even imply correlation! http://andrewgelman.com/2014/08/04/correlation-even-imply-correlation/ http://andrewgelman.com/2014/08/04/correlati

Correlation doesn't even imply correlation! http://andrewgelman.com/2014/08/04/correlation-even-imply-correlation/ http://andrewgelman.com/2014/08/04/correlation-even-imply-co... "That is, correlation in the data you happen to have (even if it happens to be “statistically significant”) does not necessarily imply correlation in the population of interest."