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zero-pattern

topic1 events
papersSEP 11 04:00 UTC

Study Links Zero Pattern of Design Matrix to Multiple Descent in Over-parameterized Regression

A new arXiv paper examines multiple descent phenomena in over-parameterized linear regression, a setting where prior work typically assumed independent covariates and non-degenerate covariance matrices. The authors relax both assumptions, showing that the zero pattern of the design matrix governs this behavior. The result offers a more general theoretical account of how model complexity affects prediction error.

research/regression/theory/arxiv