A new bivariate generalized Poisson distribution

被引:27
|
作者
Famoye, Felix [1 ]
机构
[1] Cent Michigan Univ, Dept Math, Mt Pleasant, MI 48859 USA
关键词
correlated count data; over- and under-dispersion; score test; estimation;
D O I
10.1111/j.1467-9574.2009.00446.x
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
In this paper, a new bivariate generalized Poisson distribution (GPD) that allows any type of correlation is defined and studied. The marginal distributions of the bivariate model are the univariate GPDs. The parameters of the bivariate distribution are estimated by using the moment and maximum likelihood methods. Some test statistics are discussed and one numerical data set is used to illustrate the applications of the bivariate model.
引用
收藏
页码:112 / 124
页数:13
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