FA-100040 / Evaluation metric aggregation / Member archive
Slice aggregation gives each nonempty slice equal weight · case 05
Slice aggregation gives each nonempty slice equal weight.
Case contract
Slices map names to [correct,total]; return total correct divided by total examples, or 0 when empty.
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 |
|---|---|---|---|
| unequal slice sizes | 0.5 | 0.8333333333333334 | Failed |
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