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Alexander D’Amour

5 accepted papers

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…

2022

Bayesian Inference and Partial Identification in Multi-Treatment Causal Inference with Unobserved Confounding

AISTATS 2022poster

In causal estimation problems, the parameter of interest is often only partially identified, implying that the parameter cannot be recovered exactly, even with infinite data. Here, we study Bayesian inference for partially identified treatment effects in multi-treatment causal inference problems wit…

2022

Causally motivated shortcut removal using auxiliary labels

AISTATS 2022poster

Shortcut learning, in which models make use of easy-to-represent but unstable associations, is a major failure mode for robust machine learning. We study a flexible, causally-motivated approach to training robust predictors by discouraging the use of specific shortcuts, focusing on a common setting…

2019

On Multi-Cause Approaches to Causal Inference with Unobserved Counfounding: Two Cautionary Failure Cases and A Promising Alternative

AISTATS 2019poster

Unobserved confounding is a central barrier to drawing causal inferences from observational data. Several authors have recently proposed that this barrier can be overcome in the case where one attempts to infer the effects of several variables simultaneously. In this paper, we present two simple, a…

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