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Biometrika 1983 70(2):530-533; doi:10.1093/biomet/70.2.530
© 1983 by Biometrika Trust
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MISCELLANEA

Evaluation of the regression parameter estimators in the proportional hazard model

T. KAMAKURA and T. YANAGIMOTO

Institute of Statistical Mathematics Tokyo, Japan

We investigate the methods developed for Cox's regression model with emphasis on the score test and the biases of the estimator. It can be shown that the Breslow-Peto approach gives the most conservative estimators of the regression parameters.

Key Words: Breslow-Peto approach • Generalized maximum likelihood • Partial likelihood • Proportional hazard model • Score test


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