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Interdisciplinary Mathematical & Statistical Techniques (Shanghai 2007)
May 20-23, 2007
University of Science and Technology of China
Hefei, Anhui, P.R.China

Organizers
Bin Wang, Shuguang Zhang and Satya Mishra

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Bartlett Correction for Wald test in Cox regression model
by
Xiao Li
Department of Statistics and Finance of University of Science and Technology of China
Coauthors: Yaohua Wu and Dongsheng Tu

Gu and Zheng(1993) establish a Bartlett adjustment for the partial

likelihood test in the Cox proportional hazards regression model. Tu,Chen etc studied

score test.A similar method here is used to derive a Bartlett type correction for the

wald test in the Cox proportional hazards regression model.A special case is also given

to compare the popular wald test with the Bartlett type one.

Date received: March 16, 2007

Copyright © 2007 by the author(s). The author(s) of this document and the organizers of the conference have granted their consent to include this abstract in Atlas Conferences Inc. Document # caul-75.