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Feature request: num_clust = tune() using elbow method for cross validation #105

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PathosEthosLogos opened this issue Dec 10, 2022 · 1 comment

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PathosEthosLogos commented Dec 10, 2022 •

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https://en.wikipedia.org/wiki/Elbow_method_(clustering)

It's still not ideal for 100% of situations, but at least it's something.

Elbow method for marginal difference (SS_k - SS_k-1) may be nice to have as well, though it probably requires additional discussion/research/review, e.g. https://www.ee.columbia.edu/~dpwe/papers/PhamDN05-kmeans.pdf page 109

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EmilHvitfeldt added the feature label

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EmilHvitfeldt commented Mar 30, 2023

Hello @PathosEthosLogos Thank you for this suggestion!

I will get around to doing some more {tidyclust} development, hopefully in the next couple of months, and will see if we can add this then.

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