A0329
Title: A dynamic extension of the Massey's rating system with an application in basketball
Authors: Paolo Vidoni - University of Udine (Italy) [presenting]
Abstract: A flexible, dynamic extension of the popular Massey's method is proposed for rating players and teams involved in sports competitions. The original Massey's approach is static since the computation of a team rating is based on the strength of the opponent teams evaluated at the current time. The proposed dynamic extension updates the team rating, considering the strength of the opponent teams evaluated at the time when the matches were played. This approach adequately takes into account the fact that teams' capabilities change over time. In addition, the associated statistical model is flexible and easily extensible to improve its predictive ability. The proposed method accounts for the evolution of both the offensive and the defensive rating for each team, instead of a single general rating. An application of the new rating procedure to the Euro league Basketball 2018-2019 is presented.
