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    • Efficient and generalizable tuning strategies for stochastic gradient MCMC
    Authors: Jeremie, Coullon; Leah, South; Christopher, Nemeth;  Advisor: -;  Co-Author: - (2023)

    Stochastic gradient Markov chain Monte Carlo (SGMCMC) is a popular class of algorithms for scalable Bayesian inference. However, these algorithms include hyperparameters such as step size or batch size that influence the accuracy of estimators based on the obtained posterior samples. As a result, these hyperparameters must be tuned by the practitioner and currently no principled and automated way to tune them exists. Standard Markov chain Monte Carlo tuning methods based on acceptance rates cannot be used for SGMCMC, thus requiring alternative tools and diagnostics.