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News/The Minimax Rate of Second-Order Calibration
arxiv
PublishedMay 11, 2026 at 4:00 AM

The Minimax Rate of Second-Order Calibration

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arXiv:2605.07808v1 Announce Type: new Abstract: We characterize the minimax rate of estimating the second-order calibration error for binary classification, which quantifies whether a higher-order predictor's epistemic-uncertainty estimate matches the conditional variance of the label probability on

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