Stein's method meets computational statistics: A review of some recent developments

A Anastasiou, A Barp, FX Briol, B Ebner… - Statistical …, 2023 - projecteuclid.org
Stein's method compares probability distributions through the study of a class of linear
operators called Stein operators. While mainly studied in probability and used to underpin …

Optimal thinning of MCMC output

M Riabiz, WY Chen, J Cockayne… - Journal of the Royal …, 2022 - academic.oup.com
The use of heuristics to assess the convergence and compress the output of Markov chain
Monte Carlo can be sub-optimal in terms of the empirical approximations that are produced …

A Riemann–Stein kernel method

A Barp, CJ Oates, E Porcu, M Girolami - Bernoulli, 2022 - projecteuclid.org
This paper proposes and studies a numerical method for approximation of posterior
expectations based on interpolation with a Stein reproducing kernel. Finite-sample-size …

Optimal quantisation of probability measures using maximum mean discrepancy

O Teymur, J Gorham, M Riabiz… - … Conference on Artificial …, 2021 - proceedings.mlr.press
Several researchers have proposed minimisation of maximum mean discrepancy (MMD) as
a method to quantise probability measures, ie, to approximate a distribution by a …

A unifying and canonical description of measure-preserving diffusions

A Barp, S Takao, M Betancourt, A Arnaudon… - arXiv preprint arXiv …, 2021 - arxiv.org
A complete recipe of measure-preserving diffusions in Euclidean space was recently
derived unifying several MCMC algorithms into a single framework. In this paper, we …

Stein's Method of Moments on the Sphere

A Fischer, RE Gaunt, Y Swan - arXiv preprint arXiv:2407.02299, 2024 - arxiv.org
We use Stein characterizations to obtain new moment-type estimators for the parameters of
three classical spherical distributions (namely the Fisher-Bingham, the von Mises-Fisher …

Interpretable Stein goodness-of-fit tests on Riemannian manifold

W Xu, T Matsuda - International Conference on Machine …, 2021 - proceedings.mlr.press
In many applications, we encounter data on Riemannian manifolds such as torus and
rotation groups. Standard statistical procedures for multivariate data are not applicable to …

Stein estimation in a multivariate setting

A Fischer, RE Gaunt, Y Swan - arXiv preprint arXiv:2312.09344, 2023 - arxiv.org
We use Stein characterisations to derive new moment-type estimators for the parameters of
several multivariate distributions in the iid case; we also derive the asymptotic properties of …

Central limit theorem for intrinsic Fréchet means in smooth compact Riemannian manifolds

T Hotz, H Le, ATA Wood - Probability Theory and Related Fields, 2024 - Springer
We prove a central limit theorem (CLT) for the Fréchet mean of independent and identically
distributed observations in a compact Riemannian manifold assuming that the population …

Standardisation-function kernel Stein discrepancy: A unifying view on kernel Stein discrepancy tests for goodness-of-fit

W Xu - International Conference on Artificial Intelligence and …, 2022 - proceedings.mlr.press
Non-parametric goodness-of-fit testing procedures based on kernel Stein discrepancies
(KSD) are promising approaches to validate general unnormalised distributions in various …