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Comparison of classification performance of the optimal model on the validation set (50% split), compared to that derived from the entire cohort (unsplit).
| Experiment | Best (TNP, α) |
AUC |
|||
|---|---|---|---|---|---|
| Full cohort | Split cohort | Full cohort | Training set (50%) | Validation set | |
| NC vs. sd-aMCI | 1020, 0.20 | 1360, 0.60 | 0.61 | 0.62 | 0.53 |
| NC vs. md-aMCI | 340, 0.20 | 340, 0.20 | 0.74 | 0.66 | 0.65 |
| sd- vs. md-aMCI | 1360, 0.20 | 1020, 0.20 | 0.67 | 0.69 | 0.62 |
