CCET - DEST - Artigos publicados em periódicos
URI Permanente para esta coleçãohttps://repositorio.ufrn.br/handle/1/162
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Navegando CCET - DEST - Artigos publicados em periódicos por Autor "Andrade, Thiago"
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Artigo The exponentiated generalized gumbel distribution(Revista Colombiana de Estadistica, 2015-01) Andrade, Thiago; Rodrigues, Heloisa; Bourguignon, Marcelo; Cordeiro, GaussA class of univariate distributions called the exponentiated generalized class was recently proposed in the literature. A four-parameter model within this class named the exponentiated generalized Gumbel distribution is defined. We discuss the shapes of its density function and obtain explicit expressions for the ordinary moments, generating and quantile functions, mean deviations, Bonferroni and Lorenz curves and Rényi entropy. The density function of the order statistic is derived. The method of maximum likelihood is used to estimate model parameters. We determine the observed information matrix. We provide a Monte Carlo simulation study to evaluate the maximum likelihood estimates of model parameters and two applications to real data to illustrate the importance of the new model.