Check out Chapter 7 of Laura Thompson's R Companion to Agresti (you can find it online).
It will show you how to fit proportional odds models (polr in MASS, and lrm in the Design library) and multinomial regression models. ______________________________________________ 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.