[R] boxplot grouped by two variables.

[Vadik Kutsyy]

Is there a quick way to make boxplots groups by two variables?  By that 
I mean, that if x axes have values ("A","B","C"), than at each value 
there would be a few boxplots each for a value of second variable (say 
("1","2","3")).

Thank You.
-- 
Vadim Kutsyy
http://www.kutsyy.com                     vadim at kutsyy.com
The University of Michigan - Ann Arbor         PhD Student

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