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count_pop
2012 Jul 09
0
R, maps, choropleth, data keys
I have four files that map populations to appropriate keys: statepop.csv, countypop.csv, zip3.csv, and zip5.csv. I'm using the TIGER/Lines shape files: tl_2009_12_state, tl_2009_12_county tl_2009_12_zcta3, and tl_2009_12_zcta5. I have carefully followed a number of tutorials and can reproduce those, and can also produce scatter and bubble plots of my data (using long and lat...