Navegando por Autor "Mansoor, M."
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Artigo The beta odd log-logistic generalized family of distributions(Hacettepe Journal of Mathematics and Statistics, 2015) Cordeiro, Gauss M.; Alizadeh, Morad; Tahir, M. H.; Mansoor, M.; Bourguignon, Marcelo; Hamedani, G. G.We introduce a new family of continuous models called the beta odd log-logistic generalized family of distributions. We study some of its mathematical properties. Its density function can be symmetrical, left-skewed, right-skewed, reversed-J, unimodal and bimodal shaped, and has constant, increasing, decreasing, upside-down bathtub and J-shaped hazard rates. Five special models are discussed. We obtain explicit expressions for the moments, quantile function, moment generating function, mean deviations, order statistics, R´enyi entropy and Shannon entropy. We discuss simulation issues, estimation by the method of maximum likelihood, and the method of minimum spacing distance estimator. We illustrate the importance of the family by means of two applications to real data sets.