Good observation, Daniel. I had not picked up the different default fitting method.
Cheers Andrew On Mon, Jan 01, 2007 at 08:59:55PM -0500, Daniel Ezra Johnson wrote: > > From: Andrew Robinson <A.Robinson_at_ms.unimelb.edu.au> > > Date: Mon 01 Jan 2007 - 19:19:29 GMT > > > > I tried an earlier version of R, on a different platform, and got quite > > different results. Sadly, the *earlier* results are the ones that make > > sense. > > Andrew, I tried installing R 2.3.1, it seemed to work as you said, but I > realized it was because the default method was PQL instead of Laplace. > Switching the method to Laplace, the zero effect came back. > > It seems like there's no easy way around this. I would like to compare > random effect sizes between different subsets of my data, but this may not > be possible using the current functions... > > Daniel > > ______________________________________________ > R-help@stat.math.ethz.ch 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. -- Andrew Robinson Department of Mathematics and Statistics Tel: +61-3-8344-9763 University of Melbourne, VIC 3010 Australia Fax: +61-3-8344-4599 http://www.ms.unimelb.edu.au/~andrewpr http://blogs.mbs.edu/fishing-in-the-bay/ ______________________________________________ R-help@stat.math.ethz.ch 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.