Search Results for author: Reese Pathak

Found 8 papers, 2 papers with code

On the design-dependent suboptimality of the Lasso

1 code implementation1 Feb 2024 Reese Pathak, Cong Ma

This paper investigates the effect of the design matrix on the ability (or inability) to estimate a sparse parameter in linear regression.

regression

Transformers can optimally learn regression mixture models

no code implementations14 Nov 2023 Reese Pathak, Rajat Sen, Weihao Kong, Abhimanyu Das

In this work, we investigate the hypothesis that transformers can learn an optimal predictor for mixtures of regressions.

regression

Optimally tackling covariate shift in RKHS-based nonparametric regression

no code implementations6 May 2022 Cong Ma, Reese Pathak, Martin J. Wainwright

We study the covariate shift problem in the context of nonparametric regression over a reproducing kernel Hilbert space (RKHS).

regression

Cluster-and-Conquer: A Framework For Time-Series Forecasting

no code implementations26 Oct 2021 Reese Pathak, Rajat Sen, Nikhil Rao, N. Benjamin Erichson, Michael I. Jordan, Inderjit S. Dhillon

Our framework -- which we refer to as "cluster-and-conquer" -- is highly general, allowing for any time-series forecasting and clustering method to be used in each step.

Time Series Time Series Forecasting

FedSplit: An algorithmic framework for fast federated optimization

no code implementations NeurIPS 2020 Reese Pathak, Martin J. Wainwright

Motivated by federated learning, we consider the hub-and-spoke model of distributed optimization in which a central authority coordinates the computation of a solution among many agents while limiting communication.

Distributed Optimization Federated Learning

Identifying and Correcting Bias from Time- and Severity- Dependent Reporting Rates in the Estimation of the COVID-19 Case Fatality Rate

1 code implementation19 Mar 2020 Anastasios Nikolas Angelopoulos, Reese Pathak, Rohit Varma, Michael. I. Jordan

As we are in the middle of an active outbreak, estimating this measure will necessarily involve correcting for time- and severity- dependent reporting of cases, and time-lags in observed patient outcomes.

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