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Biometrika 1979 66(1):91-96; doi:10.1093/biomet/66.1.91
© 1979 by Biometrika Trust
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Some further asymptotic efficiency calculations for survival data regression models

RICHARD KAY

Department of Probability and Statistics University of Sheffield

The asymptotic estimating efficiency of a nonparametric proportional hazard regression model for survival data versus the corresponding exponential model is examined for one and two independent variables and the results extended to incorporate censoring. The nonparametric model estimators are shown to have high efficiency in cases of practical importance.

Key Words: Asymptotic efficiency • Censored survival data • Life testing • Proportional hazard


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