The Washington Post’s*Christopher Ingraham compares two choropleth maps of U.S. population growth: while they look rather different, they use the same data.*“The difference between*my map and Pew’s—again, they both use the exact same data set—underscores a bit of a dirty little secret in data journalism: Visualizing data is as much an art as a science. And seemingly tiny design decisions—where to set a color threshold, how many thresholds to set, etc.—can radically alter how numbers are displayed and perceived by readers.” [Andy Woodruff]
(Worth mentioning that*this is exactly the sort of thing*dealt with in Mark Monmonier’s*How to Lie with Maps.)
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(Worth mentioning that*this is exactly the sort of thing*dealt with in Mark Monmonier’s*How to Lie with Maps.)
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