Exact Finite-Sample Variance Decomposition of Subagging: A Spectral Filtering Perspective
arXiv:2604.10469v1 Announce Type: new
Abstract: Standard resampling ratios (e.g., $\alpha \approx 0.632$) are widely used as default baselines in ensemble learning for three decades. However, how these ratios interact with a base learner’s intrinsic f…