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Pré-Publication, Document De Travail Année : 2023

Quantile Super Learning for independent and online settings with application to solar power forecasting

Résumé

Estimating quantiles of an outcome conditional on covariates is of fundamental interest in statistics with broad application in probabilistic prediction and forecasting. We propose an ensemble method for conditional quantile estimation, Quantile Super Learning, that combines predictions from multiple candidate algorithms based on their empirical performance measured with respect to a cross-validated empirical risk of the quantile loss function. We present theoretical guarantees for both iid and online data scenarios. The performance of our approach for quantile estimation and in forming prediction intervals is tested in simulation studies. Two case studies related to solar energy are used to illustrate Quantile Super Learning: in an iid setting, we predict the physical properties of perovskite materials for photovoltaic cells, and in an online setting we forecast ground solar irradiance based on output from dynamic weather ensemble models.
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hal-04262836 , version 1 (27-10-2023)

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Herbert Susmann, Antoine Chambaz. Quantile Super Learning for independent and online settings with application to solar power forecasting. 2023. ⟨hal-04262836⟩
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