Identifying key factors in momentum in basketball games

Tao Chen, Qingliang Fan, Kai Liu and Lingshan Le

Journal of Applied Statistics, 2021, vol. 48, issue 16, 3116-3129

Abstract: Momentum as elaborated under a recent novel definition has been shown quantitatively to have a significant impact on basketball game outcomes. This paper makes two contributions to the analytical literature on sports momentum: (1) two aspects of the new definition are operationalized so that its practicality becomes evident; and (2) through a dimension-reduction technique (elastic net), key factors associated with momentum are identified. Both technical variables such as field goals, assists, rebounds, etc. and environmental variables such as the spectator attendance rate and player salary dispersion are considered, and the potential for useful real-time analyzes is illustrated.

Date: 2021
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DOI: 10.1080/02664763.2020.1795819

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