help.search() is your friend: polr(MASS) Proportional Odds Logistic Regression
HTH, Andy > From: Peter Flom > > Hello > > I am running R 1.8.1 on a Windows platform > > I am attempting to fit an ordinal logistic regression model, using the > polr function, as described in Venables and Ripley. But when I try > > model4 <- polr(ypsxcat~committed + as.factor(sex) > + as.factor(drugusey) + anycsw + as.factor(sex)*committed > + as.factor(sex)*as.factor(drugusey)+as.factor(sex)*anycsw, data = > duhray) > > I get a message that the polr function was not found. > > Any help appreciated > > thanks > > Peter > > Peter L. Flom, PhD > Assistant Director, Statistics and Data Analysis Core > Center for Drug Use and HIV Research > National Development and Research Institutes > 71 W. 23rd St > www.peterflom.com > New York, NY 10010 > (212) 845-4485 (voice) > (917) 438-0894 (fax) > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://www.stat.math.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > > ------------------------------------------------------------------------------ Notice: This e-mail message, together with any attachments,...{{dropped}} ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html