[R] the number of cluster
Uwe Ligges
ligges at statistik.uni-dortmund.de
Sat Mar 19 12:44:42 CET 2005
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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