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Abstract(s)
Métodos estatísticos, como os modelos de regressão e a análise factorial de componentes principais são aplicados ao estudo dos resultados do campeonato nacional de futebol. São desenvolvidos dois modelos, utilizando, como variável dependente, os resultados dos jogos e como variáveis independentes, dados estatísticos disponíveis para o comportamento das equipas intervenientes. Após a eliminação de outliers e a validação dos pressupostos dos modelos de regressão, calculam-se as estimativas dos resultados dos jogos e respectivos intervalos de confiança, a 95%, que originam classificações previstas pelos modelos, que são comparadas com os valores observados.
Statistical methods, such as regression models and factorial analysis of principal components are applied to the study of portuguese soccer championship results. Two models are developed, using, as dependent variable, the results of soccer games and as independent variables, available statistical data for the behavior of the intervening teams. After outliers elimination and validation of the regression models assumptions, the estimation of results for the soccer games and 95% confidence intervals are calculated, which originate classification predictions by the models that are compared with the observed values.
Statistical methods, such as regression models and factorial analysis of principal components are applied to the study of portuguese soccer championship results. Two models are developed, using, as dependent variable, the results of soccer games and as independent variables, available statistical data for the behavior of the intervening teams. After outliers elimination and validation of the regression models assumptions, the estimation of results for the soccer games and 95% confidence intervals are calculated, which originate classification predictions by the models that are compared with the observed values.
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Keywords
Modelos de regressão Análise factorial Desporto Campeonato nacional de futebol Estimativa das classificações Regression models Factorial analysis Sports Portuguese soccer championship Classification estimation