Univariate choropleth maps show a single variable show only one set of data... this being the percentages of the population that voted Republican in the last election, the map goes from 0%, or 100% Democrat, in blue, to 100% Republican in red, with Purple being somewhere in the middle. This map was made my a Princeton professor. http://www.princeton.edu/~rvdb/JAVA/election2004/purple_america_2004_small.gifTuesday, August 5, 2008
Univariate choropleth maps
Univariate choropleth maps show a single variable show only one set of data... this being the percentages of the population that voted Republican in the last election, the map goes from 0%, or 100% Democrat, in blue, to 100% Republican in red, with Purple being somewhere in the middle. This map was made my a Princeton professor. http://www.princeton.edu/~rvdb/JAVA/election2004/purple_america_2004_small.gif
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