Entering edit mode
The introduction by Glantz and Slinker:
http://www.amazon.com/Primer-Applied-Regression-Analysis-
Variance/dp/0070234078
might be useful. Although the emphasis is on regression with
continuous covariates, it includes material on linear models with
categorical predictors.
Best wishes
Gordon
>[BioC] LIMMA makeContrasts question
>J.delasHeras at ed.ac.uk J.delasHeras at ed.ac.uk
>Mon Dec 4 14:16:42 CET 2006
>
>Quoting Gordon Smyth <smyth at="" wehi.edu.au="">:
>
> >
>[...]
> > Unfortunately I don't know of any good introductions to linear
models
> > which are suitable for a biology audience.
> >
> > Best wishes
> > Gordon
>
>you're right about that! I looked! :-(
>
>Jose
>
>--
>Dr. Jose I. de las Heras Email: J.delasHeras at
ed.ac.uk
>The Wellcome Trust Centre for Cell Biology Phone: +44 (0)131
6513374
>Institute for Cell & Molecular Biology Fax: +44 (0)131
6507360
>Swann Building, Mayfield Road
>University of Edinburgh
>Edinburgh EH9 3JR
>UK