FA-99942 / Evaluation metric aggregation / Member archive
Accuracy divides by predicted positives · case 02
Accuracy divides by predicted positives.
Case contract
Return the fraction of equal positions in two equally sized label lists; empty lists yield 0.
Why this case matters
A small explicit evaluation contract makes aggregation behavior reproducible across labeled examples.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| mixed | 0.5 | 0.3333333333333333 | Failed |
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