Variational Bayesian Monte Carlo (VBMC): Bayesian inference

Version 1.0.6 (1,55 Mo) par Luigi Acerbi
Variational Bayesian Monte Carlo (VBMC) algorithm for Bayesian posterior and model inference in MATLAB
418 téléchargements
Mise à jour 18 juin 2021

VBMC is an approximate Bayesian inference method designed to fit and evaluate computational models with a limited budget of potentially noisy likelihood evaluations (e.g., for computationally expensive models) [1,2]. Specifically, VBMC simultaneously computes:

- an approximate Bayesian posterior distribution of the model parameters;
- an approximation — technically, an approximate lower bound — of the log model evidence (also known as log marginal likelihood or log Bayes factor), a metric used for Bayesian model selection.

Extensive benchmarks on both artificial test problems and a large number of real model-fitting problems from computational and cognitive neuroscience show that VBMC generally — and often vastly — outperforms alternative methods for sample-efficient Bayesian inference.

VBMC runs with virtually no tuning and it is very easy to set up for your problem.

*** For extensive information, tutorials and documentation, please visit the GitHub page of the project: ***

If you are interested in point estimates of the parameters, you might want to check out Bayesian Adaptive Direct Search (BADS), an optimization method for model-fitting which can be used in synergy with VBMC:

Citation pour cette source

[3] Acerbi, L. (2019). An Exploration of Acquisition and Mean Functions in Variational Bayesian Monte Carlo. In Proc. Machine Learning Research 96: 1-10. 1st Symposium on Advances in Approximate Bayesian Inference, Montréal, Canada.

Compatibilité avec les versions de MATLAB
Créé avec R2017a
Compatible avec toutes les versions
Plateformes compatibles
Windows macOS Linux
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