Dieter Menne <dieter.menne <at> menne-biomed.de> writes: > Ben Bolker wrote:
> > 3. zero-inflated data may not be particularly well-represented > > by a Gamma distribution: if you actually have a significant number > > of exactly-zero values, you may want to analyze your data in two > > stages, first as a presence-absence problem and then as a conditional > > density (i.e., what is the distribution of the non-zero values)? > [...] Do you know of a example where this was done (independent > of lmer)? [...] Nothing springs to mind, but it seems sensible. 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.
