Investigate all, not some
December, 26, 2007
As the Baseball Economist notes, statisticians have turned their attention to the Mitchell report. I'm not particularly impressed with the work that's been done, and I think it's too limited, anyway. Why not look at all of the players, whether they've been outed or not? Nearly two years ago, upon the publication of "Game of Shadows," Malcolm Gladwell suggested pre-emptive strikes: "I think we should loose the forensic economists on all record-setters, and require that athletes pass a statistical plausibility test in the wake of their achievements."
"Will raising the bar this way mean we occasionally deny a genuine record? It's certainly possible. I think if we're smart about it, we can learn to distinguish the fluke performances from the phony performances.