An Oracle Inequality for Quasi-Bayesian Non-Negative Matrix Factorization
classification
📊 stat.ML
math.STstat.TH
keywords
factorizationinequalitymatrixnon-negativeoraclepriorquasi-bayesianaffects
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The aim of this paper is to provide some theoretical understanding of quasi-Bayesian aggregation methods non-negative matrix factorization. We derive an oracle inequality for an aggregated estimator. This result holds for a very general class of prior distributions and shows how the prior affects the rate of convergence.
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