You might take a look in he car package. if I recall correctly, it includes some 'pretty' versions of contrasts that tidy up the displayed format. S Ellison
> -----Original Message----- > From: r-help-boun...@r-project.org > [mailto:r-help-boun...@r-project.org] On Behalf Of Daniel Weitzenfeld > Sent: 09 August 2012 22:08 > To: r-help@r-project.org > Subject: [R] summary() after changing contrasts > > Hi, > After running a regression on a factor variable, summary() > reports the coefficients 'nicely,' ie, labelled with a string > that is a concatenation of the variable name and the factor label. > However, changing the base case a la > > contrasts(variable)<-contr.treatment(N, base=x) > > results in the coefficients being reported as a less-helpful > concatenation of variable name plus a digit. > > Of course, it's possible to map the digit to the appropriate > factor label, but I'm wondering if there's an easy fix... > -Dan > > [[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. > ******************************************************************* This email and any attachments are confidential. Any use...{{dropped:8}} ______________________________________________ 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.