docs/dataset-coverage-matrix.md

Training Dataset Coverage Matrix

Total examples: 861

Factor Type × Team Attribution

Factor Type	Home	Away	Both	Unknown	Total
key_attacker_unavailable	53	36	0	0	89
key_defender_unavailable	42	58	0	0	100
goalkeeper_unavailable	35	42	0	0	77
multiple_starters_unavailable	32	35	0	0	67
squad_rotation	37	33	0	0	70
fatigue_disadvantage	39	48	0	0	87
rest_advantage	44	30	0	0	74
travel_disadvantage	49	38	0	0	87
altitude_disadvantage	34	42	0	0	76
heat_disadvantage	40	37	0	0	77
home_advantage	34	36	0	0	70
neutral_venue	0	0	51	0	51
defensive_game_state	0	8	51	0	59
must_win_incentive	52	42	0	0	94

Structural Coverage

Category	Count
One-factor examples	309
Multi-factor examples	354
No-factor examples	198
Negation	41
Contradiction	14
Unsupported claims	182
Pronoun/role references	130
Ambiguous attribution	16
Prompt injection	24
Same factor both teams	37
Different factors both teams	41

Data Quality

Metric	Value
Unique normalized texts	861
Total factor occurrences	1078
Review status	All pending (synthetic)
Provenance	compositional synthetic + gap-fill; human review required
Challenge-match contamination	None (synthetic team pairs only)