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Poster
Learning Models for Actionable Recourse
Alexis Ross · Himabindu Lakkaraju · Osbert Bastani

Tue Dec 07 08:30 AM -- 10:00 AM (PST) @
in Poster Session 1 »

As machine learning models are increasingly deployed in high-stakes domains such as legal and financial decision-making, there has been growing interest in post-hoc methods for generating counterfactual explanations. Such explanations provide individuals adversely impacted by predicted outcomes (e.g., an applicant denied a loan) with recourse---i.e., a description of how they can change their features to obtain a positive outcome. We propose a novel algorithm that leverages adversarial training and PAC confidence sets to learn models that theoretically guarantee recourse to affected individuals with high probability without sacrificing accuracy. We demonstrate the efficacy of our approach via extensive experiments on real data.

Keywords: Machine Learning · Adversarial Robustness and Security

Author Information

Alexis Ross (Allen Institute for Artificial Intelligence (AI2))
Himabindu Lakkaraju (Stanford University)
Osbert Bastani (University of Pennsylvania)

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