Re: [R] Interpreting output of coxph with frailty.gamma

2010-04-27 Thread Terry Therneau
(1) Compared to a normal coxph model, it seems that I obtain two standard errors [se(coef) and se2]. At the time the code was written there were two prososed estimates for the se from a penalized model. I didn't know which was better, so offered them both. My best guess was for method 1,

[R] Interpreting output of coxph with frailty.gamma

2010-04-26 Thread Michael Haenlein
Dear all, this is probably a very silly question, but could anyone tell me what the different parameters in a coxph model with a frailty.gamma term mean? Specifically I have two questions: (1) Compared to a normal coxph model, it seems that I obtain two standard errors [se(coef) and se2]. What