Real-world uses

Created for this library

1. 1.

   A fraud team tracks PR AUC instead of ROC AUC because the positive class is rare and PR AUC reflects performance at low false-positive rates.

2. 2.

   A medical screening team reports PR AUC for its rare-disease detector so clinicians see a fair view at low false-positive rates.

3. 3.

   A retention team uses PR AUC to compare churn models because canceled subscribers are a small minority.