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vtpm
2010 Jun 17
1
Problems using allEffects() (package effect)
Dear R users,
I have some trouble using the allEffects() function to compute and
display effect plots for a linear model.
My data is quite simple, it concerns effects of 3 treatments on the
tumoral volume of mice. vTum codes for the qualitative initial volume,
from small to big, temps is the time in month since beginning of
treatment, and S?rie codes for the batch. Data is unbalanced.
> head(data)
Id S?rie Traitement vTum temps Volume
55656.1 55656 7 3 1 1 14.03
55805.1 55805...