Scholar Warns Accuracy Can Be Misleading Under Class Imbalance
A Spanish scholar illustrates how a trivial classifier can reach 99.9% accuracy while finding zero positives in imbalanced data, warning that accuracy alone is a misleading metric in scientific applications.
2026-09-17 ~ 2026-09-17 · 2 related posts
- 99.9% accuracy can mean zero discoveries: the class imbalance trap in scientific ML — bravo_abad · 2026-09-17
- 99.9% accuracy can mean zero discoveries: a professor explains the class imbalance trap — bravo_abad · 2026-09-17