Carlo F <c.fezzi <at> uea.ac.uk> writes: > I am tryin on simulated data, say 300 repondents, 8 choice per person, only > 2 random parameters... so i think it should be well behaved... so I am > probably doing a mistake! > > Thank for poiting out the MCMCglmm package, ultimately I need to write my > own non-linear untility function, so I do not think I can use standard > packages hence I am writing my own code... you know if MCMCglmm can deal > with non-linear in parameters utilities,
It can't. But it still might be useful to cross-check with the MCMCglmm results. You might be surprised at how big a data set you need to get identifiable random effects ... Ben Bolker ______________________________________________ R-help@r-project.org 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.