FA-97955 / Training label alignment / Member archive
One-hot targets omit classes absent from the current batch · case 05
One-hot targets omit classes absent from the current batch.
Case contract
Given zero-based class indices and declared class_count, emit one-hot rows of exactly that width; invalid indices yield all-zero rows.
Why this case matters
A small deterministic training-data operation makes label ownership and ordering explicit.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| absent trailing classes | [[1, 0], [0, 1]] | [[1, 0, 0, 0, 0, 0, 0], [0, 1, 0, 0, 0, 0, 0]] | Failed |
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