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I'm trying to measure clustering methods on unsupervised data.

Among others, I'm using DBSCAN which can find non centered clusters. Is there any internal cluster validity index fitted for non-convex clusters?

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There was one recently proposed:

  • Moulavi, D., Jaskowiak, P. A., Campello, R. J. G. B., Zimek, A., & Sander, J. (2014).
    Density-based clustering validation.
    In Proceedings of the 14th SIAM International Conference on Data Mining (SDM), Philadelphia, PA.

Havn't read it in details yet, or tried it.

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