county_centers.Rd
A dataset containing the latitudes and longitudes for United States spatial and population-weighted county centers from 2000 and 2010 census.
county_centers
A data frame with 3147 rows and 9 variables:
5 digit county FIPS codes
Spatial center longitude, 2000
Spatial center latitude, 2000
Spatial center longitude, 2010
Spatial center latitude, 2010
Population-weighted spatial center longitude, 2000
Population-weighted Spatial center latitude, 2000
Population-weighted Spatial center longitude, 2010
Population-weighted Spatial center latitude, 2010