Re: [R] The contrast and Design libraries

2011-11-25 Thread Joshua Wiley
On Thu, Nov 24, 2011 at 9:23 AM, Joanne Lello wrote: > Dear all, > > I have been using the contrast library They're packages! [snip] For the sake of the good Martin Maechler, Josh -- Joshua Wiley Ph.D. Student, Health Psychology Programmer Analyst II, ATS Statistical Consulting Group Univers

Re: [R] The contrast and Design libraries

2011-11-25 Thread Frank Harrell
Note that you can do what you specified using only the rms package: require(rms) f <- Glm(propalive~exptime+infstat*status, data=dat) contrast(f, a = list(status = levels(dat$status), infstat="control", exptime=8230), b = list(status = levels(dat$status), infstat="infected",exptime=8

Re: [R] The contrast and Design libraries

2011-11-24 Thread R. Michael Weylandt
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

[R] The contrast and Design libraries

2011-11-24 Thread Joanne Lello
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 wo