On the sensitivity of the overdispersion
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Chris D Orme
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Article
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2000
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Elsevier Science
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English
β 87 KB
This paper examines the O(n -1=2 ) sampling behaviour of the overdispersion test statistic in a Weibull hazard regression model, under the assumption of locally omitted covariates and in the absence of censoring. Although the O(1) sampling distribution is insensitive to this misspeciΓΏcation, by reΓΏn