{
 "sport": "mlb",
 "fitted_at": "2026-08-22",
 "seasons": [
  2025,
  2026
 ],
 "n_games": 3958,
 "r2": 0.0176,
 "rmse": 4.528,
 "league_total": 8.943,
 "features": [
  "h_gf",
  "h_ga",
  "a_gf",
  "a_ga",
  "park"
 ],
 "coef": {
  "intercept": -2.6186,
  "h_gf": 0.283,
  "h_ga": 0.5718,
  "a_gf": 0.1277,
  "a_ga": 0.3466,
  "park": 5.6819
 },
 "stderr": {
  "intercept": 1.6483,
  "h_gf": 0.1329,
  "h_ga": 0.1251,
  "a_gf": 0.1306,
  "a_ga": 0.1152,
  "park": 1.3944
 },
 "thresholds": {
  "chip": 0.453,
  "heavy": 0.958
 },
 "note": "lean = 2 x (predicted total - league average total), so the units match the old hand-stacked lean. Gates recalibrated to preserve selectivity."
}