First, read the posting guides. Then, supply us with a bit more information, like the package you used, example code that reproduces the error, information about the data, the complete error message, the traceback (use the function traceback() right after you got the error).
Otherwise we ain't going to be able to help you. Cheers Joris On Tue, Jun 8, 2010 at 9:42 AM, Xiongqing Zhang <xqzhan...@yahoo.com> wrote: > > Dear Mr. or Ms., > > I used the R-software to run the zero-inflatoin negative binomial model > (zeroinfl()) . > > Firstly, I introduced one dummy variable to the model as an independent > variable, and I got the estimators of parameters. But the results are not > satisfied to me. So I introduced three dummy variables to the model. but I > could not get the results. And the error message is > "solve.default(as.matrix(fit$gaussian)) ". I do not know the reasons fully. > And I want to know what method was used to estimate the parameters when I > called the function zeroinfl() . > > I will be very appreciate if you can help me. Thank you. > > Best regards, > > Sincerely, > Xiongqing Zhang > > > > [[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. > > -- Joris Meys Statistical consultant Ghent University Faculty of Bioscience Engineering Department of Applied mathematics, biometrics and process control tel : +32 9 264 59 87 joris.m...@ugent.be ------------------------------- Disclaimer : http://helpdesk.ugent.be/e-maildisclaimer.php ______________________________________________ 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.
