[R] Can 'mosaic' be used with a continuous variable?
Achim.Zeileis at uibk.ac.at
Wed Sep 14 19:45:38 CEST 2011
On Wed, 14 Sep 2011, Mauricio Cornejo wrote:
> I'm wondering if the 'mosaic' plot of the vcd package (or any other
> function for that matter) can be used with a continuous variable that
> should be represented via various categorical variables.? All the
> documentation I've read lead me to believe that it only works with
> counts of categories.
> Alternatively, I've thought of first creating a contingency table where
> the frequencies would really be the values of my continuous variable as
> opposed to counts ... but I don't know how to do that.
Well, you can always use cut() to create a categorical variable from a
continuous variable. But you have to do that in advance before calling
For a bivariate display with a continuous x and a categorical y, you can
use spine() which does the categorization for you.
> Any insight would be appreciated.
> [[alternative HTML version deleted]]
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