Estimation for Weibull Parameters with Generalized Progressive Hybrid Censored Data

Xuanjia Zuo, Liang Wang, Huizhong Lin, Sanku Dey, Li Yan and Feng Feng

Journal of Mathematics, 2021, vol. 2021, 1-13

Abstract: In this paper, the interest is in estimating the Weibull products when the available data is obtained via generalized progressive hybrid censoring. The testing scheme conducts products of interest under a more flexible way and allows collecting failure data in efficient and adaptable experimental scenarios than traditional lifetime testing. When the latent lifetime of products follows Weibull distribution, classical and Bayesian inferences are considered for unknown parameters. The existence and uniqueness of maximum likelihood estimates are established, and approximate confidence intervals are also constructed via asymptotic theory. Bayes point estimates as well as the credible intervals of the parameters are obtained, and correspondingly, Monte Carlo sampling technique is also provided for complex posterior computation. Extensive numerical analysis is carried out, and the results show that the generalized progressive hybrid censoring is an adaptive procedure in practical lifetime experiment, both proposed classical and Bayesian inferential approaches perform satisfactorily, and the Bayesian results are superior to conventional likelihood estimates.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jjmath:5561191

DOI: 10.1155/2021/5561191

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