On the existence and uniqueness of the maximum likelihood estimates of parameters of Laplace Birnbaum–Saunders distribution based on Type-I, Type-II and hybrid censored samples

被引:0
|
作者
Xiaojun Zhu
N. Balakrishnan
Helton Saulo
机构
[1] Xi’an Jiaotong-Liverpool University,Department of Mathematical Sciences
[2] McMaster University,Department of Mathematics and Statistics
[3] University of Brasilia,Department of Statistics
来源
Metrika | 2019年 / 82卷
关键词
Birnbaum–Saunders distribution; Existence; Generalized Birnbaum–Saunders distribution; Hybrid censoring; Laplace Birnbaum–Saunders distribution; Maximum likelihood estimate; Type-I censoring; Type-II censoring; Uniqueness; 62N01; 62N02; 65C60;
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摘要
In this paper, we discuss the existence and uniqueness of the maximum likelihood estimates (MLEs) of the parameters of Laplace Birnbaum–Saunders distribution based on Type-I, Type-II and hybrid censored samples. We first derive the relationship between the MLEs of the two parameters and then discuss the monotonicity property of the profile likelihood function. Numerical iterative procedure is then discussed for determining the MLEs of the parameters. Finally, for illustrative purpose, we analyze one real data from the literature and present some graphical illustrations of the approach.
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页码:759 / 778
页数:19
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