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

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This page has 2 maps - first the original (full-color) basemap 
of the city of Vastopolis, and then a black-n-white version 
with the locations of *all* the blogs plotted on it.

By showing all the blogs, it lets us see whether they are 
uniformly distributed, or whether some areas have a higher 
concentration (such as Uptown & Downtown - probably because
of a higher concentration of people, in general).

Note that when I'm annotating the blogs on the map, I chose to 
use a black-n-white version of the map, so that the red markers
will show up better (with a color map, sometimes the markers 
blend-in with the map colors, etc).

It's interesting (but probably not significant) that there are
no blogs close to the river, or the lakes.  Also, while there 
are blogs on the lower (southern) 2 bridges, there are none made 
on the upper (northern) bridge.  This is probably just because
of the way the fake-data was created.

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