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699. Momentum Effects in Team Sports: Analysing the Interaction between Offence and Defence in the NBA
Invited abstract in session WB-16: Sports analytics, stream OR in Sports.
Wednesday, 10:30-12:00Room: 19 (building: 116)
Authors (first author is the speaker)
| 1. | David Winkelmann
|
| Business Administration and Economics, Bielefeld University | |
| 2. | Rouven Michels
|
| Bielefeld University |
Abstract
The phenomenon of momentum in sports has been explored in various studies; however, there is little evidence regarding the interplay between offence and defence. Using play-by-play data from NBA seasons 2015/16 to 2018/19, we investigate potential team-level momentum effects. Within state-space models, we first analyse offensive and defensive performances independently and, afterwards, integrate them into a joint framework. Our findings reveal the absence of significant momentum effects in the separated state processes. In contrast, we obtain a positive and significant momentum effect in the combined model. These results indicate that a successful defence performance affects the offence and vice versa. As such, it underlines the necessity of including characteristics such as the interaction between offence and defence for an accurate analysis of momentum in team sports.
Keywords
- OR in Sports
- Analytics and Data Science
Status: accepted
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