Document Type

Article

Publication Date

1-1-2015

Publication Title

Journal of Quantitative Analysis in Sports

Publication Title

Journal of Quantitative Analysis in Sports

Volume

11

Issue

2

Abstract

Within sports analytics, there is substantial interest in comprehensive statistics intended to capture overall player performance. In baseball, one such measure is wins above replacement (WAR), which aggregates the contributions of a player in each facet of the game: hitting, pitching, baserunning, and fielding. However, current versions of WAR depend upon proprietary data, ad hoc methodology, and opaque calculations. We propose a competitive aggregate measure, openWAR, that is based on public data, a methodology with greater rigor and transparency, and a principled standard for the nebulous concept of a "replacement" player. Finally, we use simulation-based techniques to provide interval estimates for our openWAR measure that are easily portable to other domains.

Comments

Peer reviewed accepted manuscript.

First Page

69

Last Page

84

Digital Object Identifier (DOI)

10.1515/jqas-2014-0098

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