跨静音Lomax混合模型的Bayes估计及其在I型挡风玻璃数据中的应用

IF 1.1 Q3 STATISTICS & PROBABILITY
Muntazir Mehdi, M. Aslam, N. Feroze
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引用次数: 0

摘要

变形分布由于其在统计学中的灵活性和适用性,近年来成为研究人员关注的焦点。然而,只有少数的贡献考虑了对混合变形寿命模型的估计,特别是在贝叶斯方法下的估计最近得到了更多的探索。我们考虑了转换Lomax混合模型(TLMM)对i型截尾样本的贝叶斯估计。有信息先验和无信息先验的贝叶斯估计。采用2对称和2非对称的4种不同损失函数(LFs),即误差平方损失函数(SELF)、预防损失函数(PLF)、加权平衡损失函数(WBLF)和一般熵损失函数(GELF)来评估BEs和后置风险(PRs)。用Lindley近似法进行了模拟,比较了不同样本量和滤波率下的BEs。在信息先验和全球环境经济指数下的估计被发现优于其对应的估计。通过对飞机挡风玻璃i型截尾失效时间的实际数据的分析,说明了所提出估计的适用性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Bayesian Estimation of Transmuted Lomax Mixture Model with an Application to Type-I Censored Windshield Data
Transmuted distributions have been centered of focus for researchers recently due to their flexibility and applicability in statistics. However, the only few contributions have considered estimation for mixture of transmuted lifetime models especially under Bayesian methods has been explored more recently. We have considered the Bayesian estimation of transmuted Lomax mixture model (TLMM) for type-I censored samples. The Bayes estimates (BEs) for informative and non-informative priors. The BEs and posterior risks (PRs) are evaluated using four different loss functions (LFs), two symmetric and two asymmetric, namely the squared error loss function (SELF), precautionary loss function (PLF), weighted balance loss function (WBLF), and general entropy loss function (GELF). Simulations are run using Lindley Approximation method to compare the BEs under various sample sizes and censoring rates. The estimates under informative prior and GELF were found superior to their counterparts. The applicability of the proposed estimates has been illustrated using the analysis of a real data regarding type-I censored failure times of windshields airplanes.
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来源期刊
CiteScore
3.30
自引率
26.70%
发文量
53
期刊介绍: Pakistan Journal of Statistics and Operation Research. PJSOR is a peer-reviewed journal, published four times a year. PJSOR publishes refereed research articles and studies that describe the latest research and developments in the area of statistics, operation research and actuarial statistics.
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