fips_to_abbr: Get state abbreviations from FIPS codes
Description
Look up state abbreviations by FIPS codes (including District of Columbia and
Puerto Rico). Will match the first two digits of the input codes, so should
work for 5-digit county codes, or even longer tract and census block FIPS
codes.
Usage
fips_to_abbr(code)
Value
A vector of state abbreviations.
Arguments
code
Vector of FIPS codes to look up; will match the first two digits
of the code. Note that these are treated as strings; the number
1 will not match "01".