| zip.center {usa} | R Documentation |
US ZIP Centers
Description
A list with components named x and y giving the approximate geographic
center of each ZIP code in negative longitude and latitude.
Usage
zip.center
Format
A list of length two, each element a numeric vector of length 44336.
- x
Center longitudinal coordinate
- y
Center latitudinal coordinate
Source
Daniel Coven's web site and the CivicSpace US ZIP Code Database written by Schuyler Erle schuyler@geocoder.us, 5 August 2004.
[Package usa version 0.1.2 Index]