Working Paper Article Version 1 This version is not peer-reviewed

Multivariate Exploratory Comparative Analysis of LaLiga Teams: Principal Components Analysis

Version 1 : Received: 7 February 2021 / Approved: 8 February 2021 / Online: 8 February 2021 (16:18:14 CET)

A peer-reviewed article of this Preprint also exists.

Casal, C.A.; Losada, J.L.; Barreira, D.; Maneiro, R. Multivariate Exploratory Comparative Analysis of LaLiga Teams: Principal Component Analysis. Int. J. Environ. Res. Public Health 2021, 18, 3176. Casal, C.A.; Losada, J.L.; Barreira, D.; Maneiro, R. Multivariate Exploratory Comparative Analysis of LaLiga Teams: Principal Component Analysis. Int. J. Environ. Res. Public Health 2021, 18, 3176.

Journal reference: Int. J. Environ. Res. Public Health 2021, 18, 3176
DOI: 10.3390/ijerph18063176

Abstract

The use of principal components analysis provided information about the main characteristics of teams, based on a set of indicators, instead of displaying individualized information for each of these indicators. In this work we have considered reducing an extensive data matrix to improve interpretation, using the principal components analysis. Subsequently, with new components and with a multiple linear regression, we have carried out a comparative analysis between the best and bottom teams of LaLiga. The sample consisted of the matches corresponding to the 2015/16, 2016/17 and 2017/18 seasons. The results showed that the best teams were characterized and differentiated from bottom teams in the realization of a greater number of successful passes and in the execution of a greater number of dynamic offensive transitions. The bottom teams were characterized by executing more defensive than offensive actions and showing a fewer number of goals, a greater ball possession time in the final third of the field. Goals, ball possession time in the final third of the field, number of effective shots and crosses are the main performance factors that influence the offensive success of football. This information allows us to increase knowledge about the key performance indicators in football.

Subject Areas

performance analysis; elite football; multivariate analysis; principal components analysis; LaLiga

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