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    Reliable clustering of Bernoulli mixture models

    , Article Bernoulli ; Volume 26, Issue 2 , May , 2020 , Pages 1535-1559 Najafi, A ; Motahari, S. A ; Rabiee, H. R ; Sharif University of Technology
    International Statistical Institute  2020
    Abstract
    A Bernoulli Mixture Model (BMM) is a finite mixture of random binary vectors with independent dimensions. The problem of clustering BMM data arises in a variety of real-world applications, ranging from population genetics to activity analysis in social networks. In this paper, we analyze the clusterability of BMMs from a theoretical perspective, when the number of clusters is unknown. In particular, we stipulate a set of conditions on the sample complexity and dimension of the model in order to guarantee the Probably Approximately Correct (PAC)-clusterability of a dataset. To the best of our knowledge, these findings are the first non-asymptotic bounds on the sample complexity of learning or...