Hi R-useRs,
after having read
http://tolstoy.newcastle.edu.au/R/help/05/07/8498.html
with the same topic but five years older. the solution for a contr.sum
with names for factor levels for R version 2.10.1 will be to comment out
the following line
#colnames(cont) <- NULL
in contr.sum i guess? by the way, with contrasts=FALSE colnames are set,
so i don't know what the aim is to avoid this with contrasts=TRUE?
best regards
Andreas
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