Dear all,
I posted this two years ago, getting no answers or suggestions - now I
am trying again, hoping something new is available in R.
I am interested in an application of linear multilevel model with
unequal selection probabilities at both levels.
Do you know if there is an R function for multilevel pseudo-maximum
likelihood estimation? Or is it possible to obtain these estimates using
the nlme package? In practice what I need is to insert in the
likelihood the individual and cluster level design weights.
Thanks in advance,
Caterina
