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Adaptative clustering by minimization of the mixing entropy criterion

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arxiv 2203.11517 v1 pith:D3CNR2T3 submitted 2022-03-22 math.ST stat.MEstat.MLstat.TH

Adaptative clustering by minimization of the mixing entropy criterion

classification math.ST stat.MEstat.MLstat.TH
keywords clusteringorderentropicmethodnaturalphenomenonrelativetheoretical
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We present a clustering method and provide a theoretical analysis and an explanation to a phenomenon encountered in the applied statistical literature since the 1990's. This phenomenon is the natural adaptability of the order when using a clustering method derived from the famous EM algorithm. We define a new statistic, the relative entropic order, that represents the number of clumps in the target distribution. We prove in particular that the empirical version of this relative entropic order is consistent. Our approach is easy to implement and has a high potential of applications. Perspectives of this works are algorithmic and theoretical, with possible natural extensions to various cases such as dependent or multidimensional data.

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