[R] lme problem

John Logsdon 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
so that:


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
evening ...


r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !)  To: r-help-request at stat.math.ethz.ch

More information about the R-help mailing list