arxiv
PublishedOctober 7, 2026 at 4:00 AM
Exact Calibration and Sharp Risk Geometry for Volume-Sampled Ridge Regression
Publisher summary· verbatim
arXiv:2610.07721v1 Announce Type: cross Abstract: We study ridge regression from exactly $s$ distinct rows of a fixed design. Responses are fixed, and only the subset is random. The determinant law and selected ridge fit share one positive definite penalty. Established mean identities and exponentia
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Originally published on arxiv ↗