Inferences about correlation structure based on proof loading experiments
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.
Year of publication: |
1991
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Authors: | Johnson, Richard A. ; Wu, K. T. |
Published in: |
Statistics & Probability Letters. - Elsevier, ISSN 0167-7152. - Vol. 12.1991, 6, p. 517-525
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Publisher: |
Elsevier |
Subject: | Correlation nonparametric estimation proof load |
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