search for: intercounty

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2008 Aug 18
1
readable dendrograms with many units
Using Mathematica, I've performed a hierarchical clustering of 3,107 U. S. counties based on 1995-2000 intercounty migration, using an algorithm of my own devising (see http://arxiv.org/abs/0807.1550). I can also generate the associated 3,107 x 3,107 matrix of ultrametric distances. Unfortunately, as far as I have been able to determine, the Mathematica hierarchical clustering package only produces readable de...