R help - Dec 2010 - problems with mosaic plot

I'm pretty sure that I did everything right, but my R is just not drawing
the
mosaicplot that I want, and there is also no error messege, looks like this
right now:
>  mosaicplot(arthritis)
> mosaicplot(~ sex + treatment + improved, data = arthritis, color = TRUE)
> 
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kiotoqq <kiotoqq <at> googlemail.com> writes:
> 
> 
> I'm pretty sure that I did everything right, but my R is just not
drawing the
> mosaicplot that I want, and there is also no error messege, looks like this
> right now:
> >  mosaicplot(arthritis)
> > mosaicplot(~ sex + treatment + improved, data = arthritis, color =
TRUE)
> > 

Arthritis is a dataset contained in vcd package.  Have you installed *and* 
loaded the package?

Test with:
data (Arthritis)
But if this is the problem, there should be an error message like: "Error
in
mosaicplot(arthritis) : object 'arthritis' not found"

Do you have another graphics device open?  
Try:
graphics.off()
to close all currently open devices, and then re-run mosaicplot command, but R 
is case-sensitive, hence:

mosaicplot(Arthritis)
mosaicplot(~ Sex + Treatment + Improved, data = Arthritis, color = TRUE)

Hope this helps,

Michael Bibo
Queensland Health