On Fri, Mar 11, 2011 at 8:25 AM, Brian McLoone wrote:
> This is a follow-up to a query that was posted regarding some problems that
> emerge when running anova analyses for cox models, posted by Mathias Gondan:
>
> Matthias Gondan wrote:
>
>>* Dear List,*>**>* I have tried a stratified Cox Regress
This is a follow-up to a query that was posted regarding some problems that
emerge when running anova analyses for cox models, posted by Mathias Gondan:
Matthias Gondan wrote:
>* Dear List,*>**>* I have tried a stratified Cox Regression, it is working
>fine, except for*>* the "Anova"-Tests:*>**>
Peter Dalgaard wrote:
> (Did you check the latest version? Mine is what came with 2.6.1.)
D'oh. I could just have checked R-devel myself. It is doing the same
thing. Also,
> m2 = coxph(Surv(time, status) ~ strata(sex), data=d)
> summary(m2)
Error in summary.coxph(m2) : Input is not valid
In additi
Matthias Gondan wrote:
> Dear List,
>
> I have tried a stratified Cox Regression, it is working fine, except for
> the "Anova"-Tests:
>
> Here the commands (should work out of the box):
>
> library(survival)
> d = colon[colon$etype==2, ]
> m = coxph(Surv(time, status) ~ strata(sex) + rx, data=d)
>
Dear List,
I have tried a stratified Cox Regression, it is working fine, except for
the "Anova"-Tests:
Here the commands (should work out of the box):
library(survival)
d = colon[colon$etype==2, ]
m = coxph(Surv(time, status) ~ strata(sex) + rx, data=d)
summary(m)
# Printout ok
anova(m, test='Ch
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