[R-sig-Geo] complete linkage Agglomerative hierarchical clustering, nnclust, spatclus or something else?
hans at sociologi.cjb.net
Wed Apr 21 14:04:27 CEST 2010
On Wed, Apr 21, 2010 at 01:42:05PM +0200, Roger Bivand wrote:
> So you do not want hclust at all, really. Look at dnearneigh() in spdep,
> setting a 100m bound. Then use n.comp.nb() to see which points belong to
> which graph component, using perhaps plot.nb with colours to distinguish
> the subgraphs.
Well, hclust was useful, once I understood how cutree works. What
would be the benefit of dnearneigh(), is it faster?
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