I don't know if it is the same algorithm or not, but there is the function "chull" that finds the convex hull.
Hope this helps, -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare greg.s...@imail.org 801.408.8111 > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- > project.org] On Behalf Of Michael Kubovy > Sent: Saturday, January 17, 2009 9:49 AM > To: r-help > Subject: [R] Concave Hull > > Dear Friends, > > Here is an algorithm for finding concave hulls: > http://get.dsi.uminho.pt/local/ > > Has anyone implemented such an algorithm in R? > > RSiteSearch('concave hull') didn't reveal one (I think). > > _____________________________ > Professor Michael Kubovy > University of Virginia > Department of Psychology > Postal Address: > P.O.Box 400400, Charlottesville, VA 22904-4400 > Express Parcels Address: > Gilmer Hall, Room 102, McCormick Road, Charlottesville, VA 22903 > Office: B011; Phone: +1-434-982-4729 > Lab: B019; Phone: +1-434-982-4751 > WWW: http://www.people.virginia.edu/~mk9y/ > Skype name: polyurinsane > > > > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting- > guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
