FA-99958 / Evaluation metric aggregation / Member archive
Micro precision omits false positives from the denominator · case 03
Micro precision omits false positives from the denominator.
Case contract
For binary one-vs-rest labels, micro precision equals correct positives divided by all predicted positives; zero denominator yields 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 |
|---|---|---|---|
| missed positive denominator | 0.6666666666666666 | 1 | Failed |
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