Oddbean new post about login | logout This post is 9 years old, but I just stumbled across it again, and it’s still worth reading. - Correlation does not even imply correlation https://statmodeling.stat.columbia.edu/2014/08/04/correlation-even-imply-correlation/
@fee8392b Nice. I like Steve Sailer's comment on that post: If A correlates with B, then A could cause B or B could cause A or C could cause both A and B or it’s just a random fluke or it’s due to incompetence or it’s due to fraud or bias or maybe a few other reasons.