[R] distance in the function kmeans

n.bouget@laposte.net n.bouget at laposte.net
Fri May 28 10:30:33 CEST 2004


> 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 ...
Yes but how can we choose the distance to calculate centers?

> > 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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