John C. Duchi

collaborators

2 papers

cs.LG2025

On Privately Estimating a Single Parameter

Hilal Asi, John C. Duchi, Kunal Talwar

We investigate differentially private estimators for individual parameters within larger parametric models. While generic private estimators exist, the estimators we provide repose…

cs.DS2025

A fast and slightly robust covariance estimator

John Duchi, Saminul Haque, Rohith Kuditipudi

Let $Z = {Z_{1}, \dots, Z_{n}} \sim i.i.d. P \subset R^{d}$ from a distribution $P$ with mean zero and covariance $Σ$ . Given a dataset $\mathcal…