[KongchangAI]
Unverified50% confidenceFactExact time

In OLS, the LOOCV residual can be written as e_i/(1-h_ii), where h_ii is exactly the leverage value, which explains why D* naturally enters the formula for expected out-of-sample performance.

1
Sources
50%
Confidence
Long-term
Relevance
10/14/2026
First Seen

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