Hi,

I was wondering if it was possible to do the "Scheirer-Ray-Hare" extension of the Kruskal-Wallis test using R, or if it was possible to use some other non-parametric test for the following situation:

I have continuous data that is grouped by 2 factor variables.  I would like a non-parametric test because the group variances are not equal.  I would like to look for the effects of either factor variable and their interaction.

Thanks for any help,
Sarah 
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