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Stephen R Pfohl

3 accepted papers

2025

Understanding challenges to the interpretation of disaggregated evaluations of algorithmic fairness

NeurIPS 2025poster

Disaggregated evaluation across subgroups is critical for assessing the fairness of machine learning models, but its uncritical use can mislead practitioners. We show that equal performance across subgroups is an unreliable measure of fairness when data are representative of the relevant populations…

Cited by 0SourcecodeScholar
2024

Proxy Methods for Domain Adaptation

AISTATS 2024poster

We study the problem of domain adaptation under distribution shift, where the shift is due to a change in the distribution of an unobserved, latent variable that confounds both the covariates and the labels. In this setting, neither the covariate shift nor the label shift assumptions apply. Our appr…

2023

Adapting to Latent Subgroup Shifts via Concepts and Proxies

AISTATS 2023poster

We address the problem of unsupervised domain adaptation when the source domain differs from the target domain because of a shift in the distribution of a latent subgroup. When this subgroup confounds all observed data, neither covariate shift nor label shift assumptions apply. We show that the opti…