Derives a finite-sample generalization bound for KRR by analyzing how perturbations in the kernel matrix affect eigenvector and eigenvalue estimates, concluding that reconstruction error has limited value for high-rank kernels.
Kernel Alignment Risk Estimator: Risk prediction from training data
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On Kernel Eigen-alignments of KRR: Reconstruction and Generalization
Derives a finite-sample generalization bound for KRR by analyzing how perturbations in the kernel matrix affect eigenvector and eigenvalue estimates, concluding that reconstruction error has limited value for high-rank kernels.