Statistical comparison comparison of national football championships
Abstract
Introduction: Soccer championships are played in almost every country in the world and draw attention to the title challenge in each of them. Soccer is the most popular sport in the world and a lot of money is bustling around it, yet it is not equally competitive in all countries. Objectives: In this paper, the competitiveness of national championships in 12 countries is analyzed in order to find similarities/differences between them. Sample: The analysis is based on 60 championships held 12 countries selected according to performance criteria. It is considered, for each country and year, the champion and the runner-up. Methods: Indicators are defined for the comparison, the indicators are selected and using the clustering technique are groups of similarities. Results: It is observed that there are three groups of championships, with respect to competitiveness. In one of them, the less competitive, presents great concentration of titles obtained by only two clubs. Conclusions: Group analysis can show the group formation, in which the results are similar to the Top5 analysis.
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