Sunday, April 13, 2014

Classed Choropleth Map

Percentage of Individuals Living in Poverty by county


http://www.cdc.gov/pcd/issues/2007/oct/07_0091.htm

In classed choropleth maps different colors or shadings are used to depict the set of data classes. This classed choropleth map is showing the percentage of individuals living in poverty by county within the United States.  The color range chosen to represent the percentage of individuals in poverty per county varies from the least amount of individuals with a light yellow to the largest percentage with a dark red. There are many methods to choose from when it comes to dividing the data, the method that was used for this particular graph was quantiles. This method divides the number of data values evenly into the classes, this is why the colors are distributed evenly throughout the map.

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