Search Results for author: Nathanael Jo

Found 5 papers, 3 papers with code

Estimating and Implementing Conventional Fairness Metrics With Probabilistic Protected Features

no code implementations2 Oct 2023 Hadi Elzayn, Emily Black, Patrick Vossler, Nathanael Jo, Jacob Goldin, Daniel E. Ho

Unlike similar existing approaches, our methods take advantage of contextual information -- specifically, the relationships between a model's predictions and the probabilistic prediction of protected attributes, given the true protected attribute, and vice versa -- to provide tighter bounds on the true disparity.

Attribute Fairness

ODTlearn: A Package for Learning Optimal Decision Trees for Prediction and Prescription

1 code implementation28 Jul 2023 Patrick Vossler, Sina Aghaei, Nathan Justin, Nathanael Jo, Andrés Gómez, Phebe Vayanos

ODTLearn is an open-source Python package that provides methods for learning optimal decision trees for high-stakes predictive and prescriptive tasks based on the mixed-integer optimization (MIO) framework proposed in Aghaei et al. (2019) and several of its extensions.

Classification

Fairness in Contextual Resource Allocation Systems: Metrics and Incompatibility Results

no code implementations4 Dec 2022 Nathanael Jo, Bill Tang, Kathryn Dullerud, Sina Aghaei, Eric Rice, Phebe Vayanos

We study critical systems that allocate scarce resources to satisfy basic needs, such as homeless services that provide housing.

counterfactual Fairness

Learning Optimal Fair Classification Trees: Trade-offs Between Interpretability, Fairness, and Accuracy

1 code implementation24 Jan 2022 Nathanael Jo, Sina Aghaei, Andrés Gómez, Phebe Vayanos

The increasing use of machine learning in high-stakes domains -- where people's livelihoods are impacted -- creates an urgent need for interpretable, fair, and highly accurate algorithms.

Classification Fairness

Learning Optimal Prescriptive Trees from Observational Data

1 code implementation31 Aug 2021 Nathanael Jo, Sina Aghaei, Andrés Gómez, Phebe Vayanos

We consider the problem of learning an optimal prescriptive tree (i. e., an interpretable treatment assignment policy in the form of a binary tree) of moderate depth, from observational data.

Fairness

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