| 变环境情形下Weibull分布分组数据的参数估计 |
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| 引用本文： | 胡尧. 变环境情形下Weibull分布分组数据的参数估计[J]. 数理统计与管理, 2012, 31(1): 79-84 |
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| 作者姓名： | 胡尧 |
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| 作者单位： | 贵州大学数学系,贵州贵阳,550025 |
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| 基金项目： | 贵州省科技计划(黔科合SY[2010]3002号);贵阳市工业公关(2010)1-55;贵州省自然科学基金(黔科合J字[2008]2048号) |
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| 摘 要： | 本文研究了变环境情形下Weibull分布分组数据可靠性估计的参数估计问题。给出一种基于EM算法的变环境分组数据Weibull分布参数估计方法,所得估计量具有良好的收敛性,模拟结果表明方法的实践可用性。
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| 关 键 词： | 变环境 Weibull分布 分组数据 参数估计 EM算法 |
Estimating Parameters in Weibull Distribution by Grouped Data under Veried Environment |
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| HU Yao. Estimating Parameters in Weibull Distribution by Grouped Data under Veried Environment[J]. Application of Statistics and Management, 2012, 31(1): 79-84 |
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| Authors: | HU Yao |
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| Affiliation: | HU Yao (Department of Mathematics,Guizhou University,Guizhou Guiyang 550025,China) |
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| Abstract: | In this paper we consider the parameters estimation problem of the Weibull distribution with grouped data under varying environment.Based on the EM algorithm of reliability estimator,one method of estimating parameters is given in Weibull distribution with varied environment grouped data. The estimator is convergent and the simulation shows that method is available. |
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| Keywords: | varied environment Weibull distribution grouped data parameters estimation EM algorithm |
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