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Subsampling Error in Stochastic Gradient Langevin Diffusions
April 30, 2024, 4:44 a.m. | Kexin Jin, Chenguang Liu, Jonas Latz
cs.LG updates on arXiv.org arxiv.org
Abstract: The Stochastic Gradient Langevin Dynamics (SGLD) are popularly used to approximate Bayesian posterior distributions in statistical learning procedures with large-scale data. As opposed to many usual Markov chain Monte Carlo (MCMC) algorithms, SGLD is not stationary with respect to the posterior distribution; two sources of error appear: The first error is introduced by an Euler--Maruyama discretisation of a Langevin diffusion process, the second error comes from the data subsampling that enables its use in large-scale …
abstract algorithms arxiv bayesian cs.lg data distribution dynamics error gradient markov mcmc posterior scale stat.co statistical stat.ml stochastic type
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