Re: [R] the number of cluster

From: Uwe Ligges <ligges_at_statistik.uni-dortmund.de>
Date: Sat 19 Mar 2005 - 22:44:42 EST

XP Sun wrote:

> hi, all,
>
> how to decide the number of cluster before you use kmeans and hclust?
> thank you in advance!

Depends on your criterion. Best idea is always to use the brain and think about how many clusters are sensible for the particular task/problem/data.
For hclust, you can also look at the dendrogram's height and distances of dissimilarities in order to cut.

Uwe Ligges

> best
> -xpsun
>
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R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Sat Mar 19 22:45:23 2005

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