[R] how to fit Cox model with time dependent covariates?

gallon li gallon.li at gmail.com
Tue Oct 16 19:24:36 CEST 2012

I wonder if there is a simple way of doing this?

My data is very simple, a right censored outcome (T,delta) and the
predictor is simply Z*t, i.e., the cox model is like


can this be done with coxph?

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