Re: [R] coxph and survfit issue - strata

2011-05-09 Thread Terry Therneau
> Dear users, > > In a study with recurrent events: > My objective is to get estimates of survival (obtained through a Cox > model) by rank of recurrence and by treatment group. > With the following code (corresponding to a model with a global > effect of the treatment=rx), I get no error and m

Re: [R] coxph and survfit issue - strata

2011-05-06 Thread David Winsemius
On May 6, 2011, at 6:22 PM, Eva Bouguen wrote: Dear users, In a study with recurrent events: My objective is to get estimates of survival (obtained through a Cox model) by rank of recurrence and by treatment group. With the following code (corresponding to a model with a global effect of t