Douglas Bates <bates <at> stat.wisc.edu> writes: (lmer)
> The default is PQL, to refine the > starting estimates, followed by optimization of the Laplace > approximation. In some cases it is an advantage to suppress the PQL > iterations which can be done with one of the settings for the control > argument. I had found out the hard way that it is often better to let PQL play the game rather loosely. Yet I never dared to tell someone, for fear the approximation could end up in the wrong slot, Any rules (beside trying variants) if I can trust such a result? Dieter ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
