[R] statistical significance test for cluster agreement

Duncan Murdoch dmurdoch at pair.com
Wed Mar 24 03:30:47 CET 2004


On Tue, 23 Mar 2004 15:27:14 -0800 (PST), you wrote:

>I was wondering, whether there is a way to have
>statistical significance test for cluster agreement.
>
>I know that I can use classAgreement() function to get
>Rand index, which will give me some indication whether
>the clusters agree or not, but it would be interesting
>to have a formal test.

Why not simulate data from your hypothesized null distribution,
cluster it, and see how your dataset's index value compares to the
simulated ones?

Duncan Murdoch




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