Dear Clara, could you, please, share the summary() of your data.
bests milton 2009/12/30 Clara Brück <clara_bru...@web.de> > Hi, > > I ran a negative binomial regression (NBR) using the Zelig-package and the > negbin model. > When I then try to use the simumlation approach using the setx () and sim() > functions to calculate expected values > and first difference for different levels of one of my independent > variables, I get 50 errors warnings, telling me that the calculation rpois > produced NAs. However, the data I use doesn't have any NAs. > Does this mean that the NBR-model is the wrong model for this data? > > Thanks in advance. > > > > ___________________________________________________________ > Preisknaller: WEB.DE <http://web.de/> DSL Flatrate für nur 16,99 > Euro/mtl.! > http://produkte.web.de/go/02/ > > ______________________________________________ > 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<http://www.r-project.org/posting-guide.html> > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]]
______________________________________________ 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.
