```json { "scores": [ { "id": "cnv_5afdfc02be93463a", "score": 72, "tier": "regular", "rationale": "Clear dataset overview and row definition, but answer cuts off mid-sentence and lacks specificity on table count." }, { "id": "cnv_2242e515108044a9", "score": 75, "tier": "regular", "rationale": "Comprehensive column listing with types and meanings; well-structured but answer truncates and lacks sample values." }, { "id": "cnv_7c11fe3bcc5d4e3a", "score": 78, "tier": "regular", "rationale": "Concrete numbers (1.8M rows, 451 tables, 17 seasons), evidence-backed, but scale facts are less actionable than deeper insights." }, { "id": "cnv_715f7cc2b3e24e61", "score": 68, "tier": "regular", "rationale": "Useful taxonomy of column types with distinct value counts, but lacks evidence queries and doesn't reveal surprising patterns." }, { "id": "cnv_e699f5a11c1e4ab0", "score": 62, "tier": "not_useful", "rationale": "Describes sample structure without showing actual rows; vague on concrete findings and low signal for first-time analyst." }, { "id": "cnv_9b1defcf5bd34317", "score": 82, "tier": "great", "rationale": "Specific missing-data percentages (77% in 2026, 13.5% overall), actionable insight on future games, evidence-backed." }, { "id": "cnv_d4e9656b889a4a5b", "score": 70, "tier": "regular", "rationale": "Confirms data integrity (zero duplicates), evidence-backed, but negative findings are less actionable than positive discoveries." }, { "id": "cnv_8cfa8e4109df4b40", "score": 75, "tier": "regular", "rationale": "Concrete distinct-value counts (17 seasons, 28 weeks, 39 teams) with clear table; useful reference but low surprise." }, { "id": "cnv_512b594371784dd0", "score": 80, "tier": "great", "rationale": "Specific distributions (AwayScore 0-59, mean 21.2; HomeScore 0-70, mean 23.1) with home-field advantage signal; actionable." }, { "id": "cnv_7d7fe802d6444d7b", "score": 85, "tier": "great", "rationale": "Detailed quality audit (837 missing games, 13.5%, categorized by type); 10 evidence queries; directly actionable for cleaning." }, { "id": "cnv_aa3a254a90d7479e", "score": 76, "tier": "regular", "rationale": "Specific team frequencies (GB 205 away games, NE 188 home) with clear ranking; useful but expected pattern." }, { "id": "cnv_5617070a4c514be7", "score": 72, "tier": "regular", "rationale": "Correlation findings (0.304 PlayNumber-ScoringPlay) with intuitive explanations; moderate evidence but limited surprise." }, { "id": "cnv_93833c903d484f66", "score": 81, "tier": "great", "rationale": "Identifies key metric (total points), shows extremes (KC-LAR 105 pts, 2018 Week 11), evidence-backed, actionable for analysis." }, { "id": "cnv_7febc1e756a34e98", "score": 88, "tier": "great", "rationale": "Identifies 2020 COVID anomaly (+14% scoring, 49.5 ppg vs 43-45 baseline); specific, surprising, evidence-backed, actionable." }, { "id": "cnv_1128c62c963248a4", "score": 86, "tier": "great", "rationale": "Pinpoints 2020 spike (49.5 ppg, 8 of top 20 weeks), identifies rule/pandemic drivers; concrete, surprising, 4 evidence queries." }, { "id": "cnv_d567e42536c24ab0", "score": 79, "tier": "regular", "rationale": "Identifies key metric-category pair (points by team), shows NE leads with 8,904 pts; useful but expected finding." }, { "id": "cnv_3833160ef3114793", "score": 84, "tier": "great", "rationale": "Clear segmentation strategy (regular/playoff/preseason) with specific counts (4,730 regular, 252 playoff, 928 preseason); actionable." }, { "id": "cnv_f4083b4146c149c4", "score": 55, "tier": "not_useful", "rationale": "Correctly identifies no geographic dimension, but this is obvious from schema; low signal, no evidence queries." }, { "id": "cnv_d42f9a697b384432", "score": 92, "tier": "great", "rationale": "Highly surprising finding (phantom BYE games with empty opponent), concrete evidence (32-36 per season), 7 queries, actionable for cleaning." }, { "id": "cnv_be5d9732ce40490b", "score": 89, "tier": "great", "rationale": "Three substantive research questions with specific findings (2019 margin 0.06 pts, 65-93 close games range); 7 evidence queries, actionable." } ] } ```