D40-F05-A02 · GUIDED LEARNING LAB · SYNTHETIC DATA

Precision-Recall Curve and PR-AUC

See how each gain in recall is valued at the precision available after its complete score group enters.

Teaching stage

Precision-Recall Curve and PR-AUC teaching stageTopic-specific metric geometry calculated from synthetic teaching data.

Choose → step → observe → explain → compare

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    Observe
    Do not concludeThis synthetic lab validates metric mechanics, not production fitness, fairness, compliance, causation, or policy approval.

    Compact evidence trace

    Only the rows needed to explain this state are shown; the canonical implementation remains the source of truth. Accessibility QA can force deterministic reduced motion with ?reduced-motion=1.

    EvidenceCurrent valueWhy it matters