Cross-Validation Splitting: Random vs. Stratified Splitting, and What the Difference in Score Distribution Tells Us

The same model, the same dataset. Yet, have you ever experienced your cross-validation scores fluctuating from 0.72 to ...

5-Fold vs. 10-Fold: Statistics Won't Tell You the 'Correct' Answer for Cross-Validation

The '5-fold cross-validation' most commonly chosen in machine learning practice might actually be wrong half the time. Statistics will not tell you the reason why.Many practitioners follow the ...