• Corpus ID: 215413333

Austerity in MCMC Land: Cutting the Metropolis-Hastings Budget

  title={Austerity in MCMC Land: Cutting the Metropolis-Hastings Budget},
  author={Anoop Korattikara and Yutian Chen and Max Welling},
  booktitle={International Conference on Machine Learning},
Can we make Bayesian posterior MCMC sampling more efficient when faced with very large datasets? We argue that computing the likelihood for N datapoints in the Metropolis-Hastings (MH) test to reach a single binary decision is computationally inefficient. We introduce an approximate MH rule based on a sequential hypothesis test that allows us to accept or reject samples with high confidence using only a fraction of the data required for the exact MH rule. While this method introduces an… 

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