I know this has been a similar question in another thread. However, I added the suggested solution into my code and it still didn't work:
output<-coxph(Surv(start, timepoint, progress) ~ DMT + DMT:timepoint +
+ dens + cluster(pair), weights=weight, robust=TRUE, data=input)
And the error message is:
Error in if (any(infs)) warning(paste("Loglik converged before variable ", :
missing value where TRUE/FALSE needed
I don't want to confuse people now, so if you need more information, let me know, maybe a summary of the input data file ?! I just have absolutely no idea what could be the reason for this error.
Thank you for any help, highly appreciated !
best regards
