Below ... -- Bert
On Wed, Jan 2, 2013 at 9:54 PM, David Winsemius <dwinsem...@comcast.net>wrote: ... > Search on "orthogonal polynomials". > Yes, but this does not explain what these have to do with ordered factors and contrasts in a linear model. That information is contained in "An Introduction to R," the tutorial that ships with R and which the OP should have perused before posting. Detailed explanation beyond that is too technical for here, I would say. -- Bert > > >> Note that my question is not on lm (I think), but rather on how lm >> outputs the results of regressions involving ordered predictors. Some >> references would be great. >> >> Please post responses to this mailing list. >> >> > As always. > > Thanks very much again for all your help! >> >> >> -- >> > > > David Winsemius, MD > Alameda, CA, USA > > ______________________________**________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/**listinfo/r-help<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. > -- 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 [[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.
