1. Have you considered specifying the random effect as a list? This
is mentioned in the help file and discussed in Pinheiro and Bates (2000)
Mixed-Effects Models in S and S-Plus (Springer). On p. 40, they discuss
the following example that might help you:
lme(pixel~day+day^2,
Hi Everyone,
I posted a similar question about a week ago, but haven't gotten any
replies -- I'm afraid that's because my previous question was too
vague. Let me try again with a more specific question, and I hope
someone can help. NOTE, I know I should be using the newer lme4
package, I