[R] K-modes clustering : how to choose the number of clusters?
judyoringe at naver.com
Tue Dec 13 12:08:16 CET 2016
I tried to cluster the data with categorical variables with K-modes using klaR packages.
I tried to find the optimal number of clusters by considering the average silhouette width though..
In k-modes, however, the average silhouette width increases, when the the number of clusters increases in my case.
So i tried to derive the elbow plot and I got the attached graph.
It is quite hard to which point is the location of a bend in this plot..
In this case, how can I choose the best number of groups?
Can anyone introduce better method that help choose the optimal number of clusters for K-modes?
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