Posterior computation with the Gibbs zig-zag sampler

Matthias Sachs*, Deborshee Sen, Jianfeng Lu, David Dunson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)
40 Downloads (Pure)

Abstract

An intriguing new class of piecewise deterministic Markov processes (PDMPs) has recently been proposed as an alternative to Markov chain Monte Carlo (MCMC). We propose a new class of PDMPs termed Gibbs zig-zag samplers, which allow parameters to be updated in blocks with a zig-zag sampler applied to certain parameters and traditional MCMC-style updates to others. We demonstrate the flexibility of this framework on posterior sampling for logistic models with shrinkage priors for high-dimensional regression and random effects, and provide conditions for geometric ergodicity and the validity of a central limit theorem.

Original languageEnglish
Pages (from-to)909-927
Number of pages19
JournalBayesian Analysis
Volume18
Issue number3
Early online date14 Sept 2022
DOIs
Publication statusPublished - Sept 2023

Bibliographical note

Funding Information:
DS and DD acknowledge support from National Science Foundation grant 1546130. MS and DS acknowledge support from grant DMS-1638521 from SAMSI. The work of JL is supported in part by the National Science Foundation via grants DMS-1454939 and CCF-1934964 (Duke TRIPODS).

Publisher Copyright:
© 2023 International Society for Bayesian Analysis

Keywords

  • Gibbs sampler
  • Markov chain Monte Carlo
  • non-reversible
  • piecewise deterministic Markov process
  • sub-sampling

ASJC Scopus subject areas

  • Statistics and Probability
  • Applied Mathematics

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