Some testimators for the scale parameter and reliability function of Weibull lifetime data

被引：6
|
作者：
Al-Hemyari, Z. A. [1 ]
机构：
[1] Univ Nizwa, Nizwa 616, Al Dakhalyia, Oman
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART O-JOURNAL OF RISK AND RELIABILITY | 2010年 / 224卷 / O3期
关键词：
scale parameter; reliability function; censored data; Weibull failure model; testimators; relative efficiency; SHAPE-PARAMETER; SHRUNKEN ESTIMATORS;
D O I：
10.1243/1748006XJRR299
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Weibull failure model is considered in this paper. Some testimators are proposed of the scale parameter (beta) and of the reliability function (R(t)) using life-testing data when a prior value about the unknown parameter (beta) is available. The expressions for the bias, mean squared error and relative efficiency are obtained and compared with existing estimators.
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页码：197 / 205
页数：9
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