The content delves into the cost of overfitting in noisy kernel ridge regression, taking an agnostic view. It explores benign, tempered, and catastrophic overfitting scenarios under a Gaussian universality ansatz. The analysis provides a refined characterization of these types of overfitting based on the sample size and effective ranks of the covariance matrix. The paper also discusses inner-product kernels in the polynomial regime and their implications for generalization performance.
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by Lijia Zhou,J... lúc arxiv.org 03-25-2024
https://arxiv.org/pdf/2306.13185.pdfYêu cầu sâu hơn