no code implementations • 18 Apr 2024 • Andrew Zammit-Mangion, Matthew Sainsbury-Dale, Raphaël Huser
Simulation-based methods for making statistical inference have evolved dramatically over the past 50 years, keeping pace with technological advancements.
1 code implementation • 16 Nov 2023 • Andrew Zammit-Mangion, Michael D. Kaminski, Ba-Hien Tran, Maurizio Filippone, Noel Cressie
We propose several variants of SBNNs, most of which are able to match the finite-dimensional distribution of the target process at the selected grid better than conventional BNNs of similar complexity.
2 code implementations • 4 Oct 2023 • Matthew Sainsbury-Dale, Jordan Richards, Andrew Zammit-Mangion, Raphaël Huser
Neural Bayes estimators are neural networks that approximate Bayes estimators in a fast and likelihood-free manner.
2 code implementations • 27 Jun 2023 • Jordan Richards, Matthew Sainsbury-Dale, Andrew Zammit-Mangion, Raphaël Huser
Making inference with spatial extremal dependence models can be computationally burdensome since they involve intractable and/or censored likelihoods.
2 code implementations • 27 Aug 2022 • Matthew Sainsbury-Dale, Andrew Zammit-Mangion, Raphaël Huser
Neural point estimators are neural networks that map data to parameter point estimates.
no code implementations • 5 Jun 2022 • Christopher K. Wikle, Andrew Zammit-Mangion
Deep neural network models have become ubiquitous in recent years, and have been applied to nearly all areas of science, engineering, and industry.
1 code implementation • 24 Jan 2022 • Tin Lok James Ng, Andrew Zammit-Mangion
Recent years have seen an increased interest in the application of methods and techniques commonly associated with machine learning and artificial intelligence to spatial statistics.
1 code implementation • 22 Dec 2021 • Laura Cartwright, Andrew Zammit-Mangion, Nicholas M. Deutscher
We show that our CVAE-based emulator outperforms the more traditional emulator built using empirical orthogonal functions and that it can be used with different LPDMs.
1 code implementation • 29 Oct 2019 • Andrew Zammit-Mangion, Christopher K. Wikle
Both procedures tend to be excellent for prediction purposes over small time horizons, but are generally time-consuming and, crucially, do not provide a global prior model for the temporally-varying dynamics that is realistic.
no code implementations • 6 Jun 2019 • Andrew Zammit-Mangion, Tin Lok James Ng, Quan Vu, Maurizio Filippone
Spatial processes with nonstationary and anisotropic covariance structure are often used when modelling, analysing and predicting complex environmental phenomena.