Dear all,
I try to reapt the procedure from
http://virginierondeau.com/BiostatisticalConsulting/example_shared.html
> library(frailtypack)
######################################
### Semi-parametric Shared frailty model ###
######################################
> data(readmission)
> fit1<-frailtyPenal(Surv(t.start,t.stop,event)~as.factor(sex)+as.factor(dukes)+
> as.factor(charlson)+cluster(id),data=readmission,
Frailty=TRUE,
n.knots=6,kappa1=5000,recurrentAG=TRUE,cross.validation=TRUE,hazard="Splines")
The R versions is R-3.3.3, the results showed:
Error in frailtyPenal(Surv(t.start, t.stop, event) ~ as.factor(sex) + :
It's no use parameters(Frailty = TRUE, kappa1 = 5000)
I confuse why ? Anyone can explain this?
Your friend
Leo
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