A Modified MPS Method for Fitting The 3-Parameter Weibull Distribution

被引：0
|
作者：
Jiang, Renyan [1 ]
机构：
[1] Changsha Univ Sci & Technol, Fac Automot & Mech Engn, Changsha, Hunan, Peoples R China
来源：
PROCEEDINGS OF 2013 INTERNATIONAL CONFERENCE ON QUALITY, RELIABILITY, RISK, MAINTENANCE, AND SAFETY ENGINEERING (QR2MSE), VOLS I-IV | 2013年
关键词：
three-parameter Weibull distribution; parameter estimation; maximum likelihood method; MPS method; modified MPS method; LIKELIHOOD; ESTIMATORS; MODEL;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The maximum likelihood estimators for the parameters in a 3-parameter Weibull distribution sometimes do not exist. A variety of alternative approaches have been developed in the literature to solve this problem, and the maximum product of spacing (MPS) method is a good alternative. This paper shows that the MPS method can underestimate the shape parameter and the estimators of the location and scale parameters may be biased. A modified MPS method is proposed to avoid these problems. The appropriateness of the proposed approach is illustrated using two examples.
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页码：983 / 985
页数：3
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