- 1. time dependent covariates and likelihood ratio test (score: 1)
- Author: "Ariel Alonso" <ariel.alonso@fulladsl.be>
- Date: Mon, 26 Jun 2006 19:45:23 +0200
- Dear All: I am fitting a cox model with a time dependent covariate: model.surro<-coxph(Surv(T1, T2, survind)~(treat+S):strata(trial),data=""> where S is the time dependent covariate and surro.time is
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