The Kumaraswamy Birnbaum-Saunders Distribution

被引:0
|
作者
Saulo, Helton [1 ]
Leao, Jeremias [2 ]
Bourguignon, Marcelo [3 ]
机构
[1] Univ Fed Rio Grande do Sul, Dept Econ, Av Joao Pessoa 52, Porto Alegre, RS, Brazil
[2] Univ Fed Piaui, Dept Estat, Teresina, Brazil
[3] Univ Fed Pernambuco, Dept Estat, Recife, PE, Brazil
关键词
Birnbaum-Saunders distribution; Distribution theory; Kumaraswamy Birnbaum-Saunders distribution;
D O I
10.1080/15598608.2012.719814
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
Motivated by the recent work of Cordeiro and Castro (2011), we study the Kumaraswamy Birnbaum-Saunders (Kw-BS) distribution. This distribution provides an enormous flexibility in modeling heavy-tailed and skewed data. We derive some mathematical properties of the Kw-BS including moments, quantile function, average lifetime function, mean residual lifetime function, and order statistics. In addition, we discuss maximum likelihood estimation of the model parameters.
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页码:745 / 759
页数:15
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