no code implementations • 26 Jun 2023 • Ruben Loaiza-Maya, Didier Nibbering, Dan Zhu
The method employs the Fisher identity to integrate out the latent variables, which makes it accurate and computationally feasible when applied to big data.
no code implementations • 3 Mar 2023 • Yuru Sun, Worapree Maneesoonthorn, Ruben Loaiza-Maya, Gael M. Martin
This paper explores the implications of producing forecast distributions that are optimized according to scoring rules that are relevant to financial risk management.
no code implementations • 27 Feb 2023 • Weiben Zhang, Michael Stanley Smith, Worapree Maneesoonthorn, Ruben Loaiza-Maya
We show that this is a well-defined natural gradient optimization algorithm for the joint posterior of $(\bm{z},\bm{\theta})$.
no code implementations • 7 Dec 2022 • Gael M. Martin, David T. Frazier, Worapree Maneesoonthorn, Ruben Loaiza-Maya, Florian Huber, Gary Koop, John Maheu, Didier Nibbering, Anastasios Panagiotelis
The Bayesian statistical paradigm provides a principled and coherent approach to probabilistic forecasting.
1 code implementation • 29 Sep 2022 • Satya Borgohain, Klaus Ackermann, Ruben Loaiza-Maya
Probabilistic predictions from neural networks which account for predictive uncertainty during classification is crucial in many real-world and high-impact decision making settings.
no code implementations • 26 Jul 2020 • Ruben Loaiza-Maya, Didier Nibbering
Because current model specifications employ a full covariance matrix of the latent utilities for the choice alternatives, they are not scalable to a large number of choice alternatives.
no code implementations • 26 Dec 2017 • Ruben Loaiza-Maya, Michael Stanley Smith
We propose a new variational Bayes estimator for high-dimensional copulas with discrete, or a combination of discrete and continuous, margins.