On another list it was reported that a new version of contrast was uploaded to CRAN earlier today that makes use of Design's replacement "rms". Wait a day or two and then download this updated version and rms.
http://www.mail-archive.com/r-sig-mac@r-project.org/msg00924.html Michael On Thu, Nov 24, 2011 at 12:23 PM, Joanne Lello <lel...@cardiff.ac.uk> wrote: > Dear all, > > I have been using the contrast library in my teaching for the last couple > of years and am right in the middle of this year's round. In the last week > R has been updated to version 2.14.0 on our computers. This has had the > unfortunate effect of meaning the contrasts library no longer works, as > the Design library is no longer available. I wonder if anyone has a fix > for this...or alternatively can tell me another package that is as simple > to use (the students won't cope with anything more complicated - we're all > biologists not statisticians). > > I hope someone can help. > > Here is a typical bit of code I'm currently running so you can see what > I'm trying to do: > > exptime is a covariate and both infstat and status are factors > > mod<-glm(propalive~exptime+infstat+status+ > infstat:status, > data=dat) > > library(contrast) > > contrast(mod3, > a = list(status = levels(dat$status), infstat="control", exptime=8230), > b = list(status = levels(dat$status), infstat="infected",exptime=8230)) > > any help gratefully received, > > Jo > > Dr Joanne Lello > Cardiff University > School of Biosciences > Organism and Environment Group > Biomedical Sciences Building > Museum Avenue > Cardiff > CF10 3AX > Tel: 02920 875885 > E-mail: lel...@cardiff.ac.uk > [[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. ______________________________________________ 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.
