Primary Rural-Urban Commuting Area codes 1-3 are metropolitan; 4 and above
are non-metropolitan. Returns "urban" / "rural" accordingly.
Usage
np_ruca_urban(ruca, urban_max = 3)
Arguments
- ruca
Numeric or character primary RUCA codes.
- urban_max
Highest RUCA still treated as urban. Default 3.
Value
A character vector of "urban" / "rural" / NA.