arXiv Machine Learning By Chao Lan, Luyuan Yang

Bidirectional Random Projections

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arXiv:2606. 10377v1 Announce Type: cross Abstract: This paper analyzes bidirectional random projections for ordinary least squares (OLS) regression under the fixed design setting.

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arXiv Machine Learning
Jul 10

Distributed Sketching on Data Partitions for OLS Regression

arXiv:2607. 07888v1 Announce Type: new Abstract: This paper studies distributed sketching for ordinary least squares (OLS) regression, an approach that distributes small sketches of a large data set over multiple machines to separately construct OLS estimators and average them.

By Luyuan Yang, Brayden Garner, Shayan Shafaei, Chao Lan
arXiv Machine Learning
Aug 4

Active Regression for Single-Index Models with Unknown Link Functions

arXiv:2608. 01287v1 Announce Type: cross Abstract: This paper studies active regression for single-index models under general $\ell_p$-loss with an unknown $1$-Lipschitz link function $f$, formulated as $\min_{f,x} \|f(Ax)-b\|_p^p$ with full access to $A$ but coordinate-query access to $b$.

By Chansophea Wathanak In, Yi Li, Wai Ming Tai, Xuan Wu
arXiv Machine Learning
Aug 12

High-Dimensional Calibration from Swap Regret

arXiv:2505. 21460v2 Announce Type: replace Abstract: We study online calibration of multi-dimensional forecasts over an arbitrary convex set $P \subset \mathbb{R}^d$ relative to an arbitrary norm $|\cdot|$.

By Maxwell Fishelson, Noah Golowich, Mehryar Mohri, Jon Schneider