Click here to see the SAS code.
Click here to see the example.

This is a kinda neat trick to get a visual effect you might see in magazines...

I generate a map, and a bar chart, and save them using the name=
option on the procs.  I then use "proc greplay" to overlay the two
on the same "template" (with the bar chart on top of the map).

Note that the bars are colored with alpha-transparent color, 
so you can still see the map through them (alpha-transparency 
is a new SAS 9.3 feature!)

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