Tag Archives: Survivor Bias

Does Coach Age Predict Performance? (Yes, but be careful.)

By David Roher I’m introducing the Speed Limit Coaching Corollary. If the coach of your favorite team is older than 55, or if your team is about to hire someone who’s older than 55, there’s a good chance you should … Continue reading

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Strikeouts and the Anna Karenina Principle, or: Why K’s Don’t Hurt MLB Batters

By David Roher “Happy families are all alike; every unhappy family is unhappy in its own way.” So begins Leo Tolstoy’s 1878 masterpiece, Anna Karenina, an engrossing novel about late 19th century statistical analysis in baseball. Or about Russian aristocratic … Continue reading

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