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A Ruby version of a Flowing Data "how-to" tutorial creating a Choropleth Map with free tools.
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README.md

12.12.09 - updated: 3.14.15

An exploration in Ruby of making US County thematic maps.

About

This is a rework of Nathan Yau's post on his blog Flowing Data entitled "How to Make a US County Thematic Map Using Free Tools."

Inspiration / Tutorial

http://flowingdata.com/2009/11/12/how-to-make-a-us-county-thematic-map-using-free-tools/

Data

Labor force data by county: http://www.bls.gov/lau/laucntycur14.txt found at Bureau of Labor Statistics.

Preprocessing / Cleanup

  1. Modify the script cleanup.rb to open the proper raw data file and set outfile path
  2. Run ruby cleanup.rb to transform raw data into CSV format
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