Saturday, March 21, 2009

Choropleth Map by State


You are observing a Thematic Choropleth map designed using the Lambert Conformal Conic Projection. After many days of trials & errors, I decided to use the above projection because of its north - south orientation. This projection maintains shape giving the map a realistic look. Since this map is a lab presentation and the data is "unipolar", I opted to "class" the data using a Five Class Natural Break classification. The data shows percentage change in population by state. I divided it into five groups and reported to the nearest tenth of a percent.

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