Christy et al. propose cluster-based approach to outlier detection as part of the preprocessing step. However, I don't think the plots are very interpretable. The authors use the R mclustbic function to determine BIC at different cluster sizes using GMMs - what is this supposed to show?

I would think the plots are designed to illustrate effectiveness of their outlier detection methods, but this fact is not obvious to me.

Thoughts on this?

link to paper

  • $\begingroup$ Horribly bad paper. Ignore it. $\endgroup$ – Anony-Mousse Apr 8 '18 at 18:37

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