Re: [R] probabilities from survfit.coxph

2010-06-24 Thread Therneau, Terry M., Ph.D.
> In the example below (or for a censored data) using survfit.coxph, can > anyone point me to a link or a pdf as to how the probabilities appearing in > bold under "summary(pred$surv)" are calculated? These are predicted probabilities that a subject who is age 60 will still be alive. How this is

Re: [R] Probabilities from survfit.coxph:

2010-06-23 Thread Joris Meys
On Wed, Jun 23, 2010 at 9:03 PM, Parminder Mankoo wrote: > Hello: > > In the example below (or for a censored data) using survfit.coxph, can > anyone point me to a link or a pdf as to how the probabilities appearing in > bold under "summary(pred$surv)" are calculated? Do these represent > acumulat

[R] Probabilities from survfit.coxph:

2010-06-23 Thread Parminder Mankoo
Hello: In the example below (or for a censored data) using survfit.coxph, can anyone point me to a link or a pdf as to how the probabilities appearing in bold under "summary(pred$surv)" are calculated? Do these represent acumulative probability distribution in time (not including censored time)?