[R] statistical significance test for cluster agreement

[Liaw, Andy]

But what would such a test do that the rand index does not?  Would you
interpret the p-value from such a test, if exists, to have the meaning that
a real test of hypothesis has?  AFAIK you basically need to have the
hypotheses pinned down even before you see any data, for the inference to be
valid.  Is that possible with clustering?

Just my $0.02...
Andy

> From: Alexander Sirotkin [at Yahoo]
> 
> 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.
> 
> Thanks.
> 
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