On-Base Percentage — the Moneyball Statistic

Document Type

Presentation Abstract

Presentation Date

9-19-2011

Abstract

The book Moneyball talks about the efforts of the Oakland Athletics to build a team using sabermetrics. Oakland learned that it was important and relatively inexpensive to sign players who were effective in getting on-base. We look at on-base percentages in the history of Major League Ball. By fitting a random effects model, we see how the distribution of on-base talent has changed over time. In addition, we find particular players who have unusually high on-base percentage seasons. We focus on the career on-base trajectories of 16 players and discuss how we can effectively simultaneously estimate their true trajectories.

Additional Details

Colloquium talk

Monday, 19 September 2011
3:10 p.m. in Math 103
4:00 p.m. Refreshments in Math Lounge 109

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