## Deep soccer analytics: learning an action-value function for evaluating soccer players

We develop a new approach to evaluating all types of soccer actions from play-by-play event data

Guiliang Liu; Yudong Luo; Oliver Schulte; Tarak Kharrat

2020

#### Scholarcy highlights

• The classifier is implemented with a neural network rather than CatBoost in due to the size of dataset
• We are indebted for helpful discussion and comments to Norm Ferns, Evin Keane, and Bahar Pourbabee from Sportlogiq
• We denote the number of times such a transition occurs as
• Where the $$'$$ indicates the successor triple. We freely use this notation for marginal counts as well, for instance
• Line uses the empirical estimate of the expected Q-value $$Q_{{ team}}(s',a')]$$ given that player i acts computed from the maximum likelihood estimates of the transition probabilities:

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