Re: [R] standard error of exp(coef) from coxph

On Jul 23, 2011, at 1:41 AM, Ehsan Karim wrote: Dear List, Must be a silly question, but I was wondering whether there is a direct way of calculating "standard error of a HR or exp(coef)" from coxph objects x <- coxph(Surv(time, status) ~ age + inst, lung)> xcoef exp(coef) se(coe

[R] standard error of exp(coef) from coxph

Dear List, Must be a silly question, but I was wondering whether there is a direct way of calculating "standard error of a HR or exp(coef)" from coxph objects x <- coxph(Surv(time, status) ~ age + inst, lung)> xcoef exp(coef) se(coef) zpage 0.0190 1.02 0.00925 2.06 0.04i