Fast Computation of Leave-One-Out Cross-Validation for k-NN Regression

Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

1. 1Local linear-$k$NN smoothing for semi-functional partial linear regression2024 · 3 citations
2. 2On the Optimality of k=n in k-Nearest Neighbor Classification: Sub-Optimality Rates, Dimension-Aware Selection, and Hassanat Distance Comparison2026
3. 3The k-Nearest-Neighbor Smoothing Estimator for Functional Least Absolute Relative Error Regression2026
4. 4The Structure of Cross-Validation Error: Stability, Covariance, and Minimax Limits2025
5. 5Adaptive functional kernel kNN regression via distance-exponent weighting2026