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How not to do a state-by-state data map

LINK: vis4.net ➚ | Posted by: Joshua Benton | March 21, 2012

Via Jonathan Stray, who points out this post from last year by German data-viz guy Gregor Aisch on the problems associated with color-coded maps — or, for those in the know, choropleth maps.

Aisch’s entire blog is worth a look for anyone interested in the nuts and bolts of data visualization, particularly around mapping. He’s also the guy behind Kartograph, a “a new framework for building interactive map applications without Google Maps or any other mapping service. It was created with the needs of designers and data journalists in mind.”

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