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自适应I型渐进混合删失竞争风险数据下威布尔分布的经验贝叶斯估计

E-Bayesian Estimation for the Weibull Distribution under Adaptive Type-I Progressive Hybrid Censored Competing Risks Data.

作者信息

Okasha Hassan, Mustafa Abdelfattah

机构信息

Department of Statistics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia.

Department of Mathematics, Faculty of Science, Al-Azhar University, Cairo 11884, Egypt.

出版信息

Entropy (Basel). 2020 Aug 17;22(8):903. doi: 10.3390/e22080903.

Abstract

This article focuses on using E-Bayesian estimation for the Weibull distribution based on adaptive type-I progressive hybrid censored competing risks (AT-I PHCS). The case of Weibull distribution for the underlying lifetimes is considered assuming a cumulative exposure model. The E-Bayesian estimation is discussed by considering three different prior distributions for the hyper-parameters. The E-Bayesian estimators as well as the corresponding E-mean square errors are obtained by using squared and LINEX loss functions. Some properties of the E-Bayesian estimators are also derived. A simulation study to compare the various estimators and real data application is applied to show the applicability of the different estimators are proposed.

摘要

本文重点研究基于自适应I型渐进混合删失竞争风险(AT-I PHCS)对威布尔分布进行E-贝叶斯估计。在假定累积暴露模型的情况下,考虑了潜在寿命服从威布尔分布的情形。通过考虑超参数的三种不同先验分布来讨论E-贝叶斯估计。利用平方损失函数和LINEX损失函数得到了E-贝叶斯估计量以及相应的E-均方误差。还推导了E-贝叶斯估计量的一些性质。进行了一项模拟研究以比较各种估计量,并应用实际数据来展示所提出的不同估计量的适用性。

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