Hello,
I am fitting a coxph model with factors. I am running into problems when
using 'survfit'. I am unsure how R is treating the factors when I fit, say:
>DATA<-data.frame(time.sec,done,f.pom=factor(f.pom),po,vo)
>final<-coxph(Surv(time.sec,done)~f.pom*vo+po,data=DATA)
>
dispersion statistic
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Yes, and please show us a reproducible example or small section of thedata
as well as the error output. On Thu, 2005-07-14 at 15:36 +, Dieter Menne
wrote:> Kylie-Anne Richards itga.co
(po)+beta(f.pom-5.5)*mean(f.pom-5.5)+beta(f.pom-5.0)*mean(f.pom-5.0)+).
And then proceeding as mention in the above paragraph (clearly not an
efficient way of doing things).
- Original Message -
From: "Thomas Lumley" <[EMAIL PROTECTED]>
To: "Kylie-Anne Richards"
at z=0.
I will be back with questions on computationally efficient time dependant
survival functions next month.
Cheers,
Kylie-Anne
- Original Message -
From: "Thomas Lumley" <[EMAIL PROTECTED]>
To: "Kylie-Anne Richards" <[EMAIL PROTECTED]>
Cc:
Sen
01
588 4311
Thanks very much for any help you can offer.
Kylie-Anne Richards
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strats, offset,
init, control, weights = weights, MPR
Regards,
Kylie-Anne Richards
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