The help page for 'contrasts' has a mention of the 'options' in the Details section. Would it make sens to include an example of how to use options to set the contrasts?
# Set contrasts for furhter computations options(contrasts=c("contr.treatment","contr.poly")) This seems useful to me. Kevin Wright ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-devel