fips converts U.S. state names and abbreviations to and from FIPS codes.
Usage
fips(x, to = "FIPS")
Value
The output type specified by the "to" argument. If no match can be made, the
program returns NA.
Arguments
x
A vector, data frame or matrix of character strings or numeric FIPS codes. Character input can be the two-letter
postal abbreviation, the full name of a state, or a FIPS code in character format.
The string is case insensitive. FIPS codes are the only numeric input supported.
to
A character string of output type: "FIPS" will return a numeric fips code.
"Abbreviation" will return a two letter state abbreviation. "Name" will return the
full state name with spaces. The default output is a numeric FIPS code.
The Federal Information Processing Standard (FIPS) provides a set of standard numeric
codes for refering to U.S. states. This function converts between FIPS codes, state two
letter abbreviations, and full state names.