You can, for example, never foretell what any one man will do, but you can say with precision what an average number will be up to — Sherlock Holmes, The Sign of the Four,  1890.

Archive for June, 2010

Lifetime earnings and delaying childbirth

Friday, June 25th, 2010 Posted in Politics, Public Interest, Science, Teaching | No Comments »

I recently came upon a piece in Slate Magazine by Steve Landsburg describing a very nice price of research. It concerns the financial costs to women of having childern. I ... Read more..

Redefining r-squared

Thursday, June 24th, 2010 Posted in Cognition, Teaching | 3 Comments »

Few statistics are more oft-quoted by empirical researchers than r-squared. While applauding the value of an intuitive interpretation in principle, it is pretty clear that the interpretation is wrong. Apart ... Read more..