{
 "season": 2026,
 "through_week": 9,
 "games": 136,
 "through_date": "2026-11-09",
 "source": {
  "plays": "https://github.com/nflverse/nflverse-data/releases/tag/pbp (play_by_play_2026.parquet)",
  "plays_asset_updated_at": "2026-11-12T10:04:07Z",
  "attempts_names": "https://github.com/nflverse/nflverse-data/releases/tag/stats_player (stats_player_week_2026.parquet)",
  "attempts_asset_updated_at": "2026-11-12T10:06:30Z",
  "results": "https://github.com/nflverse/nfldata (static/data/games.csv at build time)"
 },
 "definitions": {
  "dropback": "regular season; pass == 1 (attempts, sacks, scrambles; penalty plays kept when still flagged pass); EPA not null; credited to passer_id",
  "epa_db": "mean qb_epa per dropback",
  "cpoe": "mean play-by-play cpoe over the dropbacks that have one (percentage points)",
  "success": "share of dropbacks with EPA > 0",
  "qualified": "official attempts >= 14 x games played by the passer's team (team = most attempts)",
  "composite": "ours: (z(epa_db) + z(cpoe)) / 2, z over this week's qualifiers (population SD)",
  "epa_moe": "1.96 x SD(qb_epa) / sqrt(dropbacks)",
  "stability": "split-half over qualifiers: alternate dropbacks in season order; Pearson r and Spearman-Brown 2r/(1+r)"
 },
 "stability": {
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   "r": 0.3706,
   "sb": 0.5408
  },
  "cpoe": {
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   "sb": 0.5008
  },
  "comp": {
   "r": 0.3907,
   "sb": 0.5619
  },
  "moe_median": 0.1649,
  "moe_min": 0.1414,
  "moe_max": 0.2528,
  "epa_mean": 0.0898,
  "above": 3,
  "below": 3,
  "r_epa_cpoe": 0.7239
 },
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    "CIN"
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   "cpoe_rk": 1,
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  },
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  },
  {
   "player_id": "00-0034796",
   "name": "Lamar Jackson",
   "team": "BAL",
   "attempts": 97,
   "team_games": 9,
   "dropbacks": 123,
   "epa_db": 0.3408,
   "cpoe": 7.3766
  }
 ]
}