| # PIMT v8 odour taxonomy coverage census | |
| | Bucket | Count | | |
| |:--|--:| | |
| | Materials with authoritative character label (excluding Z) | 89 | | |
| | Materials with substantivity (measured Poucher, model-ready, in universe) | 170 | | |
| | Materials with both axes (excluding Z) | 20 | | |
| | Materials with neither axis (excluding Z) | 502 | | |
| | Class Z carriers, character-excluded | 5 | | |
| ## Per-class character counts | |
| | Code | Count | | |
| |:--:|--:| | |
| | A | 6 | | |
| | B | 8 | | |
| | C | 5 | | |
| | D | 2 | | |
| | E | 2 | | |
| | F | 10 | | |
| | G | 17 | | |
| | H | 12 | | |
| | I | 3 | | |
| | J | 2 | | |
| | K | 2 | | |
| | L | 3 | | |
| | M | 3 | | |
| | N | 0 | | |
| | O | 0 | | |
| | P | 4 | | |
| | Q | 7 | | |
| | R | 7 | | |
| | S | 5 | | |
| | T | 0 | | |
| | U | 3 | | |
| | V | 3 | | |
| | W | 17 | | |
| | X | 7 | | |
| | Y | 1 | | |
| | Z | 0 | | |
| Non-Z classes >=5 labels: 11/25 | |
| Non-Z classes >=10 labels: 4/25 | |
| Both-axis material overlap: 20 | |
| ## Discrimination pre-check | |
| Mean pairwise Jaccard: 0.7177742763772176 | |
| STOP: no empirical_dataset_v10.jsonl assembled; no training started; no HF upload. | |