Meredith: You are clearly out of your depth. Get local help. R-help is, err...., an R help list, not a resource for remote statistical consulting. Although, I admit, there is often some overlap.
-- Bert On Wed, May 2, 2012 at 5:58 AM, peter dalgaard <pda...@gmail.com> wrote: > > On May 1, 2012, at 22:01 , meredith wrote: > >> I have two models, controlled by dummy variables to see if the models can be >> combined into one model with similar intercepts and slopes. Has anyone tried >> to conduct this type of test in R. I am utilizing the econometric idea of >> hypothesis testing through the hypothesis of coincidence. I have tried to >> run an anova with test of Chisq, but I am not sure what the results are >> telling. In addition, I used the rms package with a lrm model in an anova >> test, again I am not sure what the results are telling me: >> .... >> Can anyone help me with this? > > Not unless you say what you are trying to do... As far as I can tell, you are > (A) using a chi-square test for a standard linear model (Gaussian response) > and (B) fitting a logistic regression model to the same response, which > assumes that it is a proportion or binary response. Neither makes any sense > to me. > > -- > Peter Dalgaard, Professor > Center for Statistics, Copenhagen Business School > Solbjerg Plads 3, 2000 Frederiksberg, Denmark > Phone: (+45)38153501 > Email: pd....@cbs.dk Priv: pda...@gmail.com > > ______________________________________________ > 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. -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm ______________________________________________ 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.
