Moimt thabard_marie at yahoo.fr
Tue Jun 15 14:37:36 CEST 2010

Yes I had a data.frame but did not named the categorical variable "class" and
the numerical one "var". It is working now.
However I would like to do a comparison with several classes and variables.
Is there a way of doing this? Or do I have to do a Wilcox.test for every


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