Have you considered "lme" in library(nlme)? The companion book
Pinheiro and Bates (2000) Mixed-Effects Models in S and S-Plus
(Springer) is my favorite reference for this kind of thing. From what I
understand of your question, you should be able to find excellent
answers in this boo
Dear R-users,
I set up an experiment where I put up bluebird boxes across an
urbanization gradient. I monitored these boxes and at some point I
pulled a feather from a chick and a friend used spectral properties
(rtot, a continuous var) to index chick health. There is an effect of
sex that I wou