Visualize NYC census data
- Usage: python censusVis.py
- Tutorial: http://danieljlewis.org/2010/05/25/a-thematic-map-in-python/
- Read Shapefile in Python: http://indiemaps.com/blog/2008/03/easy-shapefile-loading-in-python/
- Shape file: http://www.nyc.gov/html/dcp/html/bytes/dwndistricts.shtml#cbt
- Convert xlsx file to csv file: libreoffice --headless --convert-to csv $filename --outdir $outdir