[R] plot map of areas
roger at ysidro.econ.uiuc.edu
Tue Nov 25 15:33:42 CET 2003
or tripack perhaps...
url: www.econ.uiuc.edu/~roger/my.html Roger Koenker
email rkoenker at uiuc.edu Department of Economics
vox: 217-333-4558 University of Illinois
fax: 217-244-6678 Champaign, IL 61820
On Fri, 21 Nov 2003, Liaw, Andy wrote:
> Is the contributed package `deldir' on CRAN what you're looking for?
> > From: Pascal A. Niklaus [mailto:Pascal.Niklaus at unibas.ch]
> > Hi all,
> > Given a number of points (x,y) in a plane, I'd like to plot a map of
> > polygons, so that
> > 1) each polygon contains exactly one point
> > 2) the polygon defines the area for which this specific point is
> > closer than any other point.
> > It's a bit like a map of areas "influenced" by that point, and it's
> > obviously a matter of intersecting the perpendicular
> > bisectors between
> > adjacent points.
> > I believe this type of map has a name, but I can't remember how it's
> > called.
> > Is there a function somewhere in a R package that may do this?
> > Thanks for your help
> > Pascal
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