Search Results for author: Aleksandr Podkopaev

Found 4 papers, 2 papers with code

Sequential Kernelized Independence Testing

1 code implementation14 Dec 2022 Aleksandr Podkopaev, Patrick Blöbaum, Shiva Prasad Kasiviswanathan, Aaditya Ramdas

Independence testing is a classical statistical problem that has been extensively studied in the batch setting when one fixes the sample size before collecting data.

valid

Tracking the risk of a deployed model and detecting harmful distribution shifts

no code implementations ICLR 2022 Aleksandr Podkopaev, Aaditya Ramdas

When deployed in the real world, machine learning models inevitably encounter changes in the data distribution, and certain -- but not all -- distribution shifts could result in significant performance degradation.

Distribution-free uncertainty quantification for classification under label shift

no code implementations4 Mar 2021 Aleksandr Podkopaev, Aaditya Ramdas

Piggybacking on recent progress in addressing label shift (for better prediction), we examine the right way to achieve UQ by reweighting the aforementioned conformal and calibration procedures whenever some unlabeled data from the target distribution is available.

Classification Conformal Prediction +2

Distribution-free binary classification: prediction sets, confidence intervals and calibration

1 code implementation NeurIPS 2020 Chirag Gupta, Aleksandr Podkopaev, Aaditya Ramdas

We study three notions of uncertainty quantification -- calibration, confidence intervals and prediction sets -- for binary classification in the distribution-free setting, that is without making any distributional assumptions on the data.

Binary Classification Classification +2

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