A data set containing the 2009 unemployment data in the USA by
county.
A data frame with 3218 rows and 8 variables:
- id
the county ID number
- state_fips
the state FIPS number
- county_fips
the county FIPS number
- name
the county name
- year
the year
- rate
the unemployment rate
- county
the county abbreviated name
- state
the state acronym