Abstract : This article investigates the origin of numerical issues in maximum likelihood parameter estimation for Gaussian process (GP) interpolation and investigates simple but effective strategies for improving commonly used open-source software implementations. This work targets a basic problem but a host of studies, particularly in the literature of Bayesian optimization, rely on off-the-shelf GP implementations. For the conclusions of these studies to be reliable and reproducible, robust GP implementations are critical.
https://hal-centralesupelec.archives-ouvertes.fr/hal-03119528 Contributor : Emmanuel VazquezConnect in order to contact the contributor Submitted on : Wednesday, July 28, 2021 - 3:47:05 PM Last modification on : Sunday, June 26, 2022 - 3:11:37 AM
Subhasish Basak, Sébastien Petit, Julien Bect, Emmanuel Vazquez. Numerical issues in maximum likelihood parameter estimation for Gaussian process interpolation. 7th International Conference on machine Learning, Optimization and Data science (LOD 2021), Oct 2021, Grasmere, United Kingdom. ⟨10.1007/978-3-030-95470-3_9⟩. ⟨hal-03119528v2⟩