Re: [R] distance in the function kmeans

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From: Uwe Ligges (ligges@statistik.uni-dortmund.de)
Date: Fri 28 May 2004 - 18:12:43 EST


Message-id: <40B6F47B.4020706@statistik.uni-dortmund.de>

n.bouget wrote:

> Hi,
> I want to know which distance is using in the function kmeans
> and if we can change this distance.
> Indeed, in the function pam, we can put a distance matrix in
> parameter (by the line "pam<-pam(dist(matrixdata),k=7)" ) but
> we can't do it in the function kmeans, we have to put the
> matrix of data directly ...
> Thanks in advance,
> Nicolas BOUGET

As the name says, kmeans() calculates *means* (centres) of clusters. It
does not any make sense to do that on distances ...

Uwe Ligges

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