[R] lme problem
j.logsdon at lancaster.ac.uk
Thu Mar 25 19:13:13 CET 1999
I am trying to get to grips with lme and perhaps the euro-cent is not
dropping. I want to define a model with some terms random and some fixed
defining by the group c in data frame df, whereupon
where I want the t as a random effect and the f as the fixed part.
Without the f it works OK but when I add the f, I get an error message
from model.frame saying there is an error in the lengths. As far as I can
see, all the lengths are the same (and I have checked it with length() of
Is there an obvious reason for this? I am probably doing something stupid
but it escapes me at the moment. I will try and do the same with MLn this
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