[R-sig-Geo] Error using unionSpatialPolygons

Karl Ove Hufthammer karl at huftis.org
Mon Sep 3 19:33:38 CEST 2012


Karl Ove Hufthammer skreiv:

> The data in the ‘maps’ package are probably buggy. Use the vector data
> from http://www.naturalearthdata.com/ instead.

Or these:
http://nationalatlas.gov/mld/countyp.html

-- 
Karl Ove Hufthammer
E-mail: karl at huftis.org
Jabber: huftis at jabber.no



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