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BayesBlend: Easy Model Blending using Pseudo-Bayesian Model Averaging, Stacking and Hierarchical Stacking in Python
May 2, 2024, 4:42 a.m. | Nathaniel Haines, Conor Goold
cs.LG updates on arXiv.org arxiv.org
Abstract: Averaging predictions from multiple competing inferential models frequently outperforms predictions from any single model, providing that models are optimally weighted to maximize predictive performance. This is particularly the case in so-called $\mathcal{M}$-open settings where the true model is not in the set of candidate models, and may be neither mathematically reifiable nor known precisely. This practice of model averaging has a rich history in statistics and machine learning, and there are currently a number of …
abstract arxiv bayesian case cs.lg easy hierarchical multiple performance predictions predictive python stat.me stat.ml true type
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