Displaying 2 results from an estimated 2 matches for "msg10849".
2010 Oct 18
1
Crossed random effects in lme
Dear all,
I am trying to fit a model with crossed random effects using lme. In this
experiment, I have been measuring oxygen consumption (mlmin) in bird
nestlings, originating from three different treatments (treat), in a
respirometer with 7 different channels (ch). I have also measured body mass
(mass) for these birds.
id nest treat year mlmin mass ch hack
1EP51711 17
2011 Jan 14
0
Crossed random factors in lme
Dear all,
I am quite new at R and have a question about using lme with crossed random
factors. I followed the instructions of Pinheiro & Bates, but that did not
work because of the non grouping of my data. Reading prior threads (
http://www.mail-archive.com/r-help@stat.math.ethz.ch/msg10849.html), I found
a solution to deal with non grouped data and crossed random factors in lme,
by defining a grouping with one level and using it in the random part of the
lme formula in the following way:
one <-rep(1,length(y))
random=list(a=~1,one=~b)
but with the comment, that I get "DF c...