Variational Bayes approximation of factor stochastic volatility models

D Gunawan, R Kohn, D Nott - International Journal of Forecasting, 2021 - Elsevier
Estimation and prediction in high dimensional multivariate factor stochastic volatility models
is an important and active research area, because such models allow a parsimonious …

Flexible and robust particle tempering for state space models

D Gunawan, R Kohn, MN Tran - Econometrics and Statistics, 2022 - Elsevier
Density tempering (also called density annealing) is a sequential Monte Carlo approach to
Bayesian inference for general state models which is an alternative to Markov chain Monte …

Filtering and estimation for a class of stochastic volatility models with intractable likelihoods

E Vankov - 2015 - search.proquest.com
A new approach to state filtering and parameter estimation for a class of stochastic volatility
models for which the likelihood function is unknown is considered. The alpha-stable …

Particle MCMC and the correlated particle hybrid sampler for state space models

D Gunawan, C Carter, R Kohn - Journal of Econometrics, 2024 - Elsevier
Abstract Particle Markov Chain Monte Carlo (PMCMC) is a powerful approach to Bayesian
computation for general state space models. Our article enables PMCMC to handle a larger …

Augmentation schemes for particle MCMC

P Fearnhead, L Meligkotsidou - Statistics and Computing, 2016 - Springer
Particle MCMC involves using a particle filter within an MCMC algorithm. For inference of a
model which involves an unobserved stochastic process, the standard implementation uses …

Sequential Rank and Preference Learning with the Bayesian Mallows Model

Ø Sørensen, A Stein, WL Netto, DS Leslie - arXiv preprint arXiv …, 2024 - arxiv.org
The Bayesian Mallows model is a flexible tool for analyzing data in the form of complete or
partial rankings, and transitive or intransitive pairwise preferences. In many potential …

Adaptively switching between a particle marginal Metropolis-Hastings and a particle Gibbs kernel in SMC

I Botha, R Kohn, L South, C Drovandi - arXiv preprint arXiv:2307.11553, 2023 - arxiv.org
Sequential Monte Carlo squared (SMC $^ 2$; Chopin et al., 2012) methods can be used to
sample from the exact posterior distribution of intractable likelihood state space models …

Variational approximation of factor stochastic volatility models

D Gunawan, R Kohn, D Nott - arXiv preprint arXiv:2010.06738, 2020 - arxiv.org
Estimation and prediction in high dimensional multivariate factor stochastic volatility models
is an important and active research area because such models allow a parsimonious …

Adaptive Bayesian Algorithms for Complex State Space and Mathematical Models

I Botha - 2024 - eprints.qut.edu.au
Calibrating statistical models to data can be a challenging task, particularly when the model
is difficult or time consuming to evaluate. Methods that infer the parameters of these models …

Efficient Bayesian Inference in Non-linear Switching State Space Models Using Particle Gibbs Sampling Approaches

J Kim - Available at SSRN 2685280, 2015 - papers.ssrn.com
This paper develops a new Bayesian algorithm to efficiently estimate non-linear/non-
Gaussian state space models with abruptly changing parameters. Within the Particle Gibbs …