---
issue: 3
status: done
tags: training
---
# focal-reweight

Focal loss with centre-balanced sampling.

## What happened

- 2026-09-25: 0.886 AUROC (+0.01 on the baseline)
- 2026-09-29: 0.893 AUROC (+0.017 on the baseline)

## Next

Ensemble across folds.