[R] barplot with both color and shading

[R. Michael Weylandt]

This seems like a natural fit for ggplot2 graphics, but I'm not aware
of shading as a widely implemented graphical element: this might have
some useful information --
http://had.co.nz/ggplot2/geom_histogram.html

Can you find an example of "shading" in R? (perhaps in the R Graphics
Gallery) If you look at example(barplot) there's an example of how to
use different line patterns, but I don't find it particularly clear.
The grouping techniques seem much clearer to me.

Michael

On Tue, Feb 21, 2012 at 5:24 PM, Shi, Tao <shidaxia at yahoo.com> wrote:
> Hi list,
>
> I want to draw a bar plot with color indicating one grouping and different shading on top of the color indicating another grouping.  How should I proceed?
>
> Thanks!
>
> ...Tao
>
>
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