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2011 Sep 28
1
survexp with large dataframes
...] errors. Is there something wrong in my use of cluster in generating the proportional hazards model, or is there some syntax to pass it into survexp? Mike > dim(dev) [1] 899876 25 > mod1 <- coxph(Surv(begin.cp, end.cp, event) + ~ age.sex + + plan_type + + uw_load + + cluster(mbr_key) + ,data=dev + ) > > summary(mod1) Call: coxph(formula = Surv(begin.cp, end.cp, event) ~ age.sex + plan_type + uw_load + cluster(mbr_key), data = dev) n= 899876, number of events= 753324 coef exp(coef) se(coef) robust se z Pr(>|z|) age.sex19-34_MAL...