Perform a proportional hazards regression using the variables Staget, Treat, and Perfbl and stratify the model by
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Perform a proportional hazards regression using the variables Staget, Treat, and Perfbl and stratify the model by Poinf. Compare the estimated hazard ratios to the ones obtained in Problem 13.9.
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Related Book For
Practical Multivariate Analysis
ISBN: 9781439816806
5th Edition
Authors: Abdelmonem Afifi, Susanne May, Virginia A. Clark
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