Auditing ML Models for Individual Bias and Unfairness

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Songkai Xue, Mikhail Yurochkin, Yuekai Sun ;
Proceedings of the Twenty Third International Conference on Artificial Intelligence and Statistics, PMLR 108:4552-4562, 2020.

Abstract

We consider the task of auditing ML models for individual bias/unfairness. We formalize the task in an optimization problem and develop a suite of inferential tools for the optimal value. Our tools permit us to obtain asymptotic confidence intervals and hypothesis tests that cover the target/control the Type I error rate exactly. To demonstrate the utility of our tools, we use them to reveal the gender and racial biases in Northpointe’s COMPAS recidivism prediction instrument.

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