Information and asymptotic efficiency of
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Haimeng Zhang; Larry Goldstein
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Article
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2003
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Elsevier Science
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English
β 283 KB
Efficiencies of the maximum pseudolikelihood estimator and a number of related estimators for the case-cohort sampling design in the proportional hazards regression model are studied. The asymptotic information and lower bound for estimating the parametric regression parameter are calculated based o