K-Means Best K value

ssk1974ssk1974 Member Posts: 11 Contributor II

I read few posts on selecting the best K value for K-means. I manually ran K-Means with few different K Values and a performance operator with Davies Bouldin. These are the values, and I am not sure how to interpret it. Please help.

K-Value Davies Bouldin
2 -0.664
3 -1.017
4 -1.039
5 -0.917
6 -0.881
7 -0.001
8 -0.831
9 -0.855
10 -0.819

1) Which is the optimal K-Value in the above, how do I find it
2) I did this manually, how can I do it using a loop parameter.

Thank you for your time.


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