Multi-objective Clustering: A Data-driven Analysis of MOCLE, MOCK and Δ-MOCK

10/14/2021

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by   Adriano Kultzak, et al.

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We present a data-driven analysis of MOCK, Δ-MOCK, and MOCLE. These are three closely related approaches that use multi-objective optimization for crisp clustering. More specifically, based on a collection of 12 datasets presenting different proprieties, we investigate the performance of MOCLE and MOCK compared to the recently proposed Δ-MOCK. Besides performing a quantitative analysis identifying which method presents a good/poor performance with respect to another, we also conduct a more detailed analysis on why such a behavior happened. Indeed, the results of our analysis provide useful insights into the strengths and weaknesses of the methods investigated.