Search Results for author: Fengshuo Zhang

Found 2 papers, 0 papers with code

Convergence Rates of Empirical Bayes Posterior Distributions: A Variational Perspective

no code implementations8 Sep 2020 Fengshuo Zhang, Chao GAO

We study the convergence rates of empirical Bayes posterior distributions for nonparametric and high-dimensional inference.

Density Estimation

Convergence Rates of Variational Posterior Distributions

no code implementations7 Dec 2017 Fengshuo Zhang, Chao GAO

For a class of priors that admit the structure of a mixture of product measures, we propose a novel prior mass condition, under which the variational approximation error of the mean-field class is dominated by convergence rate of the true posterior.

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