Click here to see the SAS code.
Click here to see the example.
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See my blog for more information about this graph!
This example was inspired by some maps I saw in the background
of the CNN news shows. I tried to write the code so it would be
flexible, and easy to change - for example, I made a slight change
to the annotate data, to convert the 1st example into the 2nd one.
I basically create a grid of dot (or square) annotated characters,
and then use "proc ginside" to determine whether they're inside
a map area (country) - if they're not inside a country, I discard them.
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