When Is Accuracy Evidence? A Unified Theory of Generalisation, Validation, and Information Fusion
arXiv:2610.03465v1 Announce Type: new Abstract: K-fold cross-validation (CV) is widely used as evidence of out-of-sample performance, although folds are neither independent experiments nor equally informative under heterogeneous data. Cross Upper-Bound Validation (CUBV) replaces point-wise CV accur…
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- 2026-10-05 04:00 · arXiv stat.ML
When Is Accuracy Evidence? A Unified Theory of Generalisation, Validation, and Information Fusion