Dear R users?
I want to know how to use strata in survival analysis, I want to combine
multiple dataset:
Coxph(Surv(merged.time.v, merged.event.v)~merged.score+
strata(dataset.v))
So merged.time.v and merged.event.v are from multiple datasets.
How should I define dataset.v here?
Many thanks
yan
**********************************************************************
This email and any files transmitted with it are confide...{{dropped:10}}