Scott Chamberlain made a Google Visualization for St Louis. Have a look.

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cellurl

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Jan 13, 2011, 8:18:49 AM1/13/11
to Wikispeedia
Scott is a grad student from Rice, an expert in "R".
Tues we logged speed limit changes around St Louis and he made a
fascinating graph.
The bottom axis is time, e.g. 410 is 4:10pm

Comments / kudos to Scott?
-jim


St Louis VSL Movie
http://www.wikispeedia.org/press/wikispeedia_googlevisapi.html

Source code
http://www.wikispeedia.org/press/wikispeedia_googlevis_code.R

Scotts blog
http://www.r-bloggers.com/a-new-blog-about-using-r-for-ecology-and-evolution/
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