zip.center | R Documentation |
A list with components named x
and y
giving the approximate geographic
center of each ZIP code in negative longitude and latitude.
zip.center
A list of length two, each element a numeric vector of length 44336.
Center longitudinal coordinate
Center latitudinal coordinate
Daniel Coven's web site and the CivicSpace US ZIP Code Database written by Schuyler Erle schuyler@geocoder.us, 5 August 2004.
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