Hello,
I'm trying to estimate a cox model with a frailty variable and time-dependent
covariate (below there is the statement I use and the error message). It's
seems to be impossible, because every time I add the time-dependent covariate
the model doesn't converge. Instead, if I estimate the
On Wed, 17 Nov 2004, Emanuela Rossi wrote:
Hello,
I'm trying to estimate a cox model with a frailty variable and
time-dependent covariate (below there is the statement I use and the
error message). It's seems to be impossible, because every time I add
the time-dependent covariate the model
