Search Results for author: Zachary Izzo

Found 9 papers, 2 papers with code

Data-Driven Subgroup Identification for Linear Regression

1 code implementation29 Apr 2023 Zachary Izzo, Ruishan Liu, James Zou

To do this, simple parametric models are frequently used (e. g. coefficients of linear regression) but usually fitted on the whole dataset.

regression

Provable Membership Inference Privacy

no code implementations12 Nov 2022 Zachary Izzo, Jinsung Yoon, Sercan O. Arik, James Zou

However, DP's strong theoretical guarantees often come at the cost of a large drop in its utility for machine learning, and DP guarantees themselves can be difficult to interpret.

Continuous-in-time Limit for Bayesian Bandits

no code implementations14 Oct 2022 Yuhua Zhu, Zachary Izzo, Lexing Ying

The optimal policy for the limiting HJB equation can be explicitly obtained for several common bandit problems, and we give numerical methods to solve the HJB equation when an explicit solution is not available.

Importance Tempering: Group Robustness for Overparameterized Models

no code implementations19 Sep 2022 Yiping Lu, Wenlong Ji, Zachary Izzo, Lexing Ying

In this paper, we propose importance tempering to improve the decision boundary and achieve consistently better results for overparameterized models.

imbalanced classification

How to Learn when Data Gradually Reacts to Your Model

no code implementations13 Dec 2021 Zachary Izzo, James Zou, Lexing Ying

A recent line of work has focused on training machine learning (ML) models in the performative setting, i. e. when the data distribution reacts to the deployed model.

Dimensionality Reduction for Wasserstein Barycenter

no code implementations NeurIPS 2021 Zachary Izzo, Sandeep Silwal, Samson Zhou

In order to cope with this "curse of dimensionality," we study dimensionality reduction techniques for the Wasserstein barycenter problem.

Dimensionality Reduction

How to Learn when Data Reacts to Your Model: Performative Gradient Descent

1 code implementation15 Feb 2021 Zachary Izzo, Lexing Ying, James Zou

Performative distribution shift captures the setting where the choice of which ML model is deployed changes the data distribution.

Approximate Data Deletion from Machine Learning Models

no code implementations24 Feb 2020 Zachary Izzo, Mary Anne Smart, Kamalika Chaudhuri, James Zou

Deleting data from a trained machine learning (ML) model is a critical task in many applications.

BIG-bench Machine Learning

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