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Using Autodiff to Estimate Posterior Moments, Marginals and Samples: Background

Written by @bayesianinference | Published on 2024/4/15

TL;DR
Importance weighting allows us to reweight samples drawn from a proposal in order to compute expectations of a different distribution.

This paper is available on arxiv under CC 4.0 license.

Authors:

(1) Sam Bowyer, Equal contribution, Department of Mathematics and sam.bowyer@bristol.ac.uk;

(2) Thomas Heap, Equal contribution, Department of Computer Science University of Bristol and thomas.heap@bristol.ac.uk;

(3) Laurence Aitchison, Department of Computer Science University of Bristol and laurence.aitchison@bristol.ac.uk.

Background

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Written by
@bayesianinference
At BayesianInference.Tech, as more evidence becomes available, we make predictions and refine beliefs.

Topics and
tags
autodiff|estimate-posterior-moments|importance-weighting|bayesian-posterior|reweight-samples|conditional-independencies|importance-sampling|backward-traversals
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