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mdc2
2009 Mar 14
1
obtaining the values for the hazard function in a cox regression
...v)
summary (cox.V)
# produces a log-log plot
mvfit <- survfit (Surv(recidivismv$intDaysUntilFVPO,
recidivismv$Event_v) ~ MHC, data = recidivismv)
neg.ll <- function(mvfit) -log(-log(mvfit))
library (Design)
survplot(mvfit, fun = neg.ll, conf = "none", logt=TRUE)
# hazard values
mhc2 <- coxph (Surv(recidivismv$intDaysUntilFVPO,
recidivismv$Event_v) ~ MHC, data = recidivismv)
basehaz(mhc2)