Evaluating the performance of elite level volleyball players

Fellingham Gilbert W. ()
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Fellingham Gilbert W.: Brigham Young University, Provo, USA

Journal of Quantitative Analysis in Sports, 2022, vol. 18, issue 1, 15-34

Abstract: Evaluation of individuals in a team sport setting is inherently difficult. The level of play of one individual is fundamentally tied to the level of play of the teammates. One way to think about evaluation of individuals is to ‘insert’ the posterior distribution of the parameter that measures individual play into an ‘average’ team, and see how the probability of success (or failure) changes. Using a Bayesian hierarchical logistic model, we can estimate both the average contribution to success of various positions, and the individual contribution of all the players in that position. In this paper, we use data from the 2018 World Championships in Volleyball to model both the position played and the players within each position. Using both the posterior distributions for the mean performance of the different positions, and the posterior distributions for the individual players, we can then estimate the change in the number of points scored for a team with a change from an average player to the individual under consideration. We compute both the points scored above average per set (PAAPS) and the points scored above average per 100 touches (PP100) for 168 men and 168 women playing five different positions. Contributions of the various position groups and of individual players within each position are evaluated and compared.

Keywords: Bayesian models; hierarchical models; logistic regression; random effects (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1515/jqas-2021-0056

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