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...name "competing risks". Observations are obtained from n independent individuals in the form (t_i,r_i;s_i) where t_i is the time of the event (failure), r_i is the response type (failure type), and s_i is the stimulus type (explanatory variable). I am wondering if it is possible to use survfit5 to fit parametric and nonparametric models to data like these, and if so how to do it. I read the documentation for survfit5 and Surv() did not seem to allow for the type of model I need. If I can't use survfit5, any suggestions on how to proceed? I am pretty ignorant of survival analysis at t...