Fair Selective Regression
Name
qu-xsqu-meng-eecs-2023-thesis.pdf
Description
Thesis PDF
Size
1.1 MB
Format
Adobe PDF
Checksum (MD5)
a69dd7e6c6e937dc85a70f8626bc644e
Author(s)
Qu, Xiaoran (Steven)
Advisor(s)
Wornell, Gregory W.
Date Issued
June 2023
Publisher
Massachusetts Institute of Technology
Abstract
Selective regression allows for abstention from prediction when uncertainty is high, creating a tradeoff between coverage rate and prediction error. In this thesis, we consider how selective regression interacts with data that is partitioned into subgroups by a sensitive attribute. Specifically, we define two notions of fairness with respect to these subgroups: monotonic prediction error in the coverage rate, and similar prediction error between subgroups. In each case, we develop and analyze appropriate fairness constraints on the feature set that yield fair selective regression: a calibration condition for the former, and a local differential privacy condition for the latter.
Based on our theoretical results, we design two novel inference algorithms for fair selective regression that enforce their respective feature set constraints via regularization in a neural network. Calibration is enforced with a contrastive loss for subgroup mean-squared error and local differential privacy is enforced with a mutual information approximation. We find that our algorithms effectively enforce fairness without significantly compromising accuracy on a variety of synthetic and real-world datasets.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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