[R] Re: Finding the right number of clusters

Adriano S. Melo adrimelo at ecologia.ufrgs.br
Wed May 18 13:39:24 CEST 2005

Dear Philip,
Perhaps this reference might be useful:
V. D. P. Pillar. How sharp are classifications? Ecology 80:2508-2516, 1999.
Adriano S. Melo

>Message: 9
>Date: Tue, 17 May 2005 08:42:02 -0400
>From: Philip Bermingham <pberming at research.ryerson.ca>
>Subject: [R] Finding the right number of clusters
>To: r-help at stat.math.ethz.ch
>Message-ID: <4289E69A.7040300 at csca.ryerson.ca>
>Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>SAS has something called the "cubic criterion" cutoff for finding the
>most appropriate number of clusters.  Does R have anything that would
>replicate that? I've been searching the lists and can't seem to find
>anything that would point me in the right direction.
>Thank in advance,
>Philip Bermingham

Adriano Sanches Melo
Dep. Ecologia, Instituto de Biociências
Universidade Federal do Rio Grande do Sul
Porto Alegre, RS, 91540-000, BRAZIL
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