INFERENCES ABOUT CORRELATION STRUCTURE BASED ON PROOF LOADING EXPERIMENTS

被引：0
|
作者：
JOHNSON, RA [1 ]
WU, KT [1 ]
机构：
[1] UNIV WISCONSIN,DEPT STAT,MADISON,WI 53706
来源：
STATISTICS & PROBABILITY LETTERS | 1991年 / 12卷 / 06期
关键词：
CORRELATION; NONPARAMETRIC ESTIMATION; PROOF LOAD;
D O I：
10.1016/0167-7152(91)90007-E
中图分类号：
O21 [概率论与数理统计]; C8 [统计学];
学科分类号：
020208 ; 070103 ; 0714 ;
摘要：
Units can have two or more important strength properties. A procedure is described for estimating the correlation between two strength properties that, individually, can only be observed through destructive testing. The procedure involves proof loading a unit in one failure mode and then loading survivors, in a second mode, to failure. We first review results for the case where the two strength properties follow a bivariate normal distribution. The selection of an optimal single proof load is highlighted. A new nonparametric formulation is also explored and estimation of mixed moments and the correlation considered. Some large sample estimation results are also given.
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页码：517 / 525
页数：9
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