Bayesian estimation of in-game home team win probability for college basketball

Jason T. Maddox, Ryan Sides, Jane L. Harvill

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Two new Bayesian methods for estimating and predicting in-game home team win probabilities in Division I NCAA men's college basketball are proposed. The first method has a prior that adjusts as a function of lead differential and time elapsed. The second is an adjusted version of the first, where the adjustment is a linear combination of the Bayesian estimator with a time-weighted pregame win probability. The proposed methods are compared to existing methods, showing the new methods are competitive with or outperform existing methods for both estimation and prediction. The utility is illustrated via an application to the 2012/2013 through the 2019/2020 NCAA Division I Men's Basketball seasons.

Original languageEnglish (US)
Pages (from-to)201-213
Number of pages13
JournalJournal of Quantitative Analysis in Sports
Issue number3
StatePublished - Sep 1 2022


  • Bayesian estimation
  • dynamic prior
  • in-game probability
  • maximum likelihood
  • pregame probability
  • probability estimation

ASJC Scopus subject areas

  • Social Sciences (miscellaneous)
  • Decision Sciences (miscellaneous)


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