[R] glmmpql and lmer keep failing

[Roel de Jong]

Formulated more directly, are there plans for the implementation of the 
crude but more robust Marginal Quasi Likelihood estimation in for 
example LME?

Regards,
	Roel de Jong

Roel de Jong wrote:
> Hello,
> 
> I'm running a simulation study of a multilevel model with binary 
> response using the binomial probit link. It is a random intercept and 
> random slope model.  GLMMPQL and lmer fail to converge on a 
> *significant* portion of the *generated* datasets, while MlWin gives 
> reasonable estimates on those datasets. This is unacceptable. Does 
> anyone has similar experiences?
> 
> Regards,
>     Roel de Jong
>