NONEXISTENCE OF THE MAXIMUM-LIKELIHOOD-ESTIMATES IN THE WEIBULL PROCESS

被引：0

作者：

CHAN, W ^{[1
]}

RUEDA, NG ^{[1
]}

机构：

[1] MERRIMACIL COLL,DEPT MATH & COMP SCI,N ANDOVER,MA 01845

来源：

NAVAL RESEARCH LOGISTICS | 1992年 / 39卷 / 03期

关键词：

D O I：

10.1002/1520-6750(199204)39:3<359::AID-NAV3220390306>3.0.CO;2-L

中图分类号：

C93 [管理学]; O22 [运筹学];

学科分类号：

070105 ; 12 ; 1201 ; 1202 ; 120202 ;

摘要：

With incomplete data the maximum likelihood estimates of the parameters of the Weibull process can only be obtained by solving the likelihood equations iteratively. In this article we show that the solution of the likelihood equations may lie outside of the parameter space if none of the processes can be observed from time zero.

引用

页码：359 / 368

页数：10

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