Corpus ID: 221397170

Adaptive Path Sampling in Metastable Posterior Distributions

  title={Adaptive Path Sampling in Metastable Posterior Distributions},
  author={Y. Yao and Collin Cademartori and A. Vehtari and A. Gelman},
  journal={arXiv: Computation},
  • Y. Yao, Collin Cademartori, +1 author A. Gelman
  • Published 2020
  • Computer Science, Mathematics
  • arXiv: Computation
  • The normalizing constant plays an important role in Bayesian computation, and there is a large literature on methods for computing or approximating normalizing constants that cannot be evaluated in closed form. When the normalizing constant varies by orders of magnitude, methods based on importance sampling can require many rounds of tuning. We present an improved approach using adaptive path sampling, iteratively reducing gaps between the base and target. Using this adaptive strategy, we… CONTINUE READING


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