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There existis any way to find the number of cluster needed to use in K-Means?

I'm having some difficulties to find a method to determine k...

Many thanks!

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  • $\begingroup$ see here, there is nothing implemented in spark that does it for you $\endgroup$ – oW_ Nov 21 '16 at 18:52
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You can use the Elbow method. https://en.wikipedia.org/wiki/Elbow_method_(clustering)

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