There are about a million ways to make a choropleth map. You know, the maps that color regions by some metric. The problem is that a lot of solutions require expensive software or have a high learning curve...or both. What if you just want a simple map without all the GIS stuff?
Friday, November 13, 2009
R Choropleth Challenge (color-shaded maps)
Link to the original FlowingData post
There are about a million ways to make a choropleth map. You know, the maps that color regions by some metric. The problem is that a lot of solutions require expensive software or have a high learning curve...or both. What if you just want a simple map without all the GIS stuff?
Oh my, that was fast! Less than 24 hours after the Choropleth Map Challenge was laid down, no fewer than 5 hackers responded with complete solutions for plotting the US unemployment data on a color-coded map, each in less than 20 lines of R code.
There are about a million ways to make a choropleth map. You know, the maps that color regions by some metric. The problem is that a lot of solutions require expensive software or have a high learning curve...or both. What if you just want a simple map without all the GIS stuff?
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