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countycode
2012 Jan 13
1
Coloring counties on a full US map based on a certain criterion
Dear Rers,
is there a way to color counties on a full US map based on a criterion
one establishes (i.e., all counties I assign the same number should be
the same color)?
I explored a bit and looks like the package "maps" might be of help.
library(maps)
One could get a map of the US: map('usa')
One could get countries within a US state: map('county', 'iowa', fill