Using Markov chains to identify player’s performance in badminton

马尔可夫链 数学 计算机科学 统计 广告 业务
作者
Javier Galeano,Miguel–Ángel Gómez,Fernando Rivas,Javier M. Buldú
出处
期刊:Chaos Solitons & Fractals [Elsevier BV]
卷期号:165: 112828-112828 被引量:4
标识
DOI:10.1016/j.chaos.2022.112828
摘要

We introduce a new way of quantifying the performance of badminton players by analysing their hitting sequences. Using the position of players during 3 consecutive strokes, we create length-3 patterns associated to the playing style of each player. Additionally, we extract from the video matches the information about the initiative gained by a player when performing a stroke, together with the player who won the point at the end of each rally. Next, we obtain the probability that a 3-order pattern is performed by a player and compared it with the average of the top-twenty players. We calculate the transition probabilities between patterns and construct the corresponding Markov chains including two absorbing states: winning and losing the rally. The Markov matrix allow us to obtain the probability of winning a point once a given pattern appears in the rally, which we call the Expected Pattern Value (EPV). Finally, we investigate the interplay between the EPV and the gain of initiative achieved by a player when performing each pattern. With this information, we are able to detect what patterns are better performed by a player and, furthermore, relate the values of the patterns with the actual probability of winning a rally. • We study 3-stroke pattern to understand the evolution of a rally in a badminton match. • Using Markov chains with absorbing states we obtain the probability of a winning point. • Using the Markov matrix, we define the Expected Pattern Value (EPV) in Badminton. • We study the interplay between EPVs and initiative gain to asses winning.
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