Lachlan Astfalck
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Applications of Gaussian Processes in Oceanography
Invited Lecture to the Gaussian Process Summer School, The University of Manchester
Oceanography has long sought to understand the spatial and temporal structure of many different oceanographic processes: turbulent decay, tides, surface waves, internal…
Sep 12, 2024
Some Recent, and Rediscovered, Developments in Bayes Linear Statistics
Seminar presented to the University of Exeter
Bayes linear statistics eschews probabilistic assumptions and instead poses the statistical inference problem by viewing expectation, rather than probability, as the…
Aug 28, 2024
An Introduction to Machine Learning
Invited Lecture to the University of Western Australia
This lecture was written for second-year engineering students who do no necessarily have any experience with statistical inference or machine learning. It was written to be…
Jul 1, 2024
Debiasing Welch’s Method for Spectral Density Estimation
Seminar presented in various forms to Imperial College London, Lancaster University, Durham University, and The University of Western Australia
Most non-parametric spectral estimation methodologies are based on transformations of the periodogram, a biased and statistically inconsistent estimator to the true spectral…
Oct 12, 2023
Inferring nonlinear internal wave currents from sparse observations
Conference presentation to the 2022 FOO/ACOMO Combined Workshop
Nonlinear internal waves (often referred to as solitons) produce transient bursts of high velocity as they propagate on the continental shelf, leading to massive structural…
Nov 21, 2022
Reconstructing Boundary Conditions for Complex Simulations with Application to Climate Models
Invited presentation to the Conference of the Royal Statistical Society
Any experiment with climate models relies on a potentially large set of spatio-temporal boundary conditions. These can represent both the initial state of the system and/or…
Sep 7, 2021
Kriging Demystified
Workshop given to the School of Earth and Environment, University of Leeds
This was a workshop presentation given to the School of Earth and Environment about the fundamentals of Kriging. What is it? How does it work? What do we need to think about…
May 20, 2021
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