Bayesian inference for the randomly censored Weibull distribution

被引:22
|
作者
Danish, Muhammad Yameen [1 ]
Aslam, Muhammad [2 ]
机构
[1] Allama Iqbal Open Univ, Dept Math & Stat, Islamabad, Pakistan
[2] Quaid I Azam Univ, Dept Stat, Islamabad 45320, Pakistan
关键词
random censoring; squared error loss function; prior distribution; Bayes estimates; importance sampling; Gibbs sampling; Lindley's approximation; Markov chain Monte Carlo; INFORMATION;
D O I
10.1080/00949655.2012.704516
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
In this paper, we consider the Bayesian inference of the unknown parameters of the randomly censored Weibull distribution. A joint conjugate prior on the model parameters does not exist; we assume that the parameters have independent gamma priors. Since closed-form expressions for the Bayes estimators cannot be obtained, we use Lindley's approximation, importance sampling and Gibbs sampling techniques to obtain the approximate Bayes estimates and the corresponding credible intervals. A simulation study is performed to observe the behaviour of the proposed estimators. A real data analysis is presented for illustrative purposes.
引用
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页码:215 / 230
页数:16
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