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CLEAR: Calibrated Learning for Epistemic and Aleatoric Risk
[Submitted on 10 Jul 2025 (v1), last revised 5 Jul 2026 (this ve · 2025-07-11 · via stat updates on arXiv.org

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Abstract:Accurate uncertainty quantification is critical for reliable predictive modeling. Existing methods typically address either aleatoric uncertainty due to measurement noise or epistemic uncertainty resulting from limited data, but not both in a balanced manner. We propose CLEAR, a calibration method with two distinct parameters, $\gamma_1$ and $\gamma_2$, to combine the two uncertainty components and improve the conditional coverage of predictive intervals for regression tasks. CLEAR is compatible with any pair of aleatoric and epistemic estimators; we show how it can be used with (i) quantile regression for aleatoric uncertainty and (ii) ensembles drawn from the Predictability-Computability-Stability (PCS) framework for epistemic uncertainty. Across 17 diverse real-world datasets, CLEAR achieves an average improvement of 28.3\% and 17.5\% in the interval width compared to the two individually calibrated baselines while maintaining nominal coverage. Similar improvements are observed when applying CLEAR to Deep Ensembles (epistemic) and Simultaneous Quantile Regression (aleatoric). The benefits are especially evident in scenarios dominated by high aleatoric or epistemic uncertainty. Project page: this https URL

Submission history

From: Ilia Azizi [view email]
[v1] Thu, 10 Jul 2025 20:13:00 UTC (383 KB)
[v2] Sun, 28 Sep 2025 21:18:33 UTC (391 KB)
[v3] Tue, 3 Mar 2026 08:22:09 UTC (483 KB)
[v4] Sun, 5 Jul 2026 11:27:18 UTC (482 KB)