Automatic Zig-Zag sampling in practice
Abstract Novel Monte Carlo methods to generate samples from a target distribution, such as
a posterior from a Bayesian analysis, have rapidly expanded in the past decade. Algorithms …
a posterior from a Bayesian analysis, have rapidly expanded in the past decade. Algorithms …
PDMP characterisation of event-chain Monte Carlo algorithms for particle systems
Monte Carlo simulations of systems of particles such as hard spheres or soft spheres with
singular kernels can display around a phase transition prohibitively long convergence times …
singular kernels can display around a phase transition prohibitively long convergence times …
Scalable Monte Carlo for Bayesian Learning
This book aims to provide a graduate-level introduction to advanced topics in Markov chain
Monte Carlo (MCMC) algorithms, as applied broadly in the Bayesian computational context …
Monte Carlo (MCMC) algorithms, as applied broadly in the Bayesian computational context …
Concave-convex PDMP-based sampling
Recently nonreversible samplers based on simulating piecewise deterministic Markov
processes (PDMPs) have shown potential for efficient sampling in Bayesian inference …
processes (PDMPs) have shown potential for efficient sampling in Bayesian inference …
Nonlinear MCMC for Bayesian machine learning
J Vuckovic - Advances in Neural Information Processing …, 2022 - proceedings.neurips.cc
We explore the application of a nonlinear MCMC technique first introduced in [1] to problems
in Bayesian machine learning. We provide a convergence guarantee in total variation that …
in Bayesian machine learning. We provide a convergence guarantee in total variation that …
Zig-zag sampling for discrete structures and nonreversible phylogenetic MCMC
J Koskela - Journal of Computational and Graphical Statistics, 2022 - Taylor & Francis
We construct a zig-zag process targeting a posterior distribution defined on a hybrid state
space consisting of both discrete and continuous variables. The construction does not …
space consisting of both discrete and continuous variables. The construction does not …
NuZZ: numerical Zig-Zag sampling for general models
Markov chain Monte Carlo (MCMC) is a key algorithm in computational statistics, and as
datasets grow larger and models grow more complex, many popular MCMC algorithms …
datasets grow larger and models grow more complex, many popular MCMC algorithms …
Methods and applications of PDMP samplers with boundary conditions
We extend Monte Carlo samplers based on piecewise deterministic Markov processes
(PDMP samplers) by formally defining different boundary conditions such as sticky floors …
(PDMP samplers) by formally defining different boundary conditions such as sticky floors …
NuZZ: Numerical Zig-Zag for general models
Abstract Markov chain Monte Carlo (MCMC) is a key algorithm in computational statistics,
and as datasets grow larger and models grow more complex, many popular MCMC …
and as datasets grow larger and models grow more complex, many popular MCMC …
Piecewise deterministic sampling with splitting schemes
We introduce novel Markov chain Monte Carlo (MCMC) algorithms based on numerical
approximations of piecewise-deterministic Markov processes obtained with the framework of …
approximations of piecewise-deterministic Markov processes obtained with the framework of …