Hetu Li retweetledi
Here's bonus slides on cross-validation tests, separate from our preprint. Covering:
1. paired (sign-flip) permutation test
2. label-swap permutation test
3. sample-level vs fold-averaged stats
4. a common misapplication of the corrected t-test
5. three bootstrap variants 1/N
Thomas Yeo@bttyeo
In a meta-analysis of 210 biomedical AI studies that statistically compared models under cross-validation, 97% used invalid statistical tests. Here's our new preprint doi.org/10.64898/2026.… led by @tianchuzeng @kkli20111 @ZShaoshi @ten_photos 1/N
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