model_config.json

{
  "model_name": "Hybrid_SARIMAX_XGBoost",
  "base_model": "SARIMAX(2,1,1)(1,1,1,7)",
  "residual_model": "XGBoost",
  "strategy": "SARIMAX + XGBoost(residual_correction)",
  "sarimax_rmse": 1805.0597898619735,
  "hybrid_rmse": 1756.9378292743959,
  "improvement_pct": 2.665948289239624,
  "metrics": {
    "name": "Hybrid_SARIMAX_XGBoost",
    "rmse": 1756.9378292743959,
    "mae": 1525.9386274679296,
    "mape": 3.73186543749005
  },
  "features": [
    "residual_lag_1",
    "residual_lag_2",
    "residual_lag_7",
    "residual_lag_14",
    "residual_lag_28",
    "rolling_mean_7",
    "rolling_mean_28",
    "rolling_std_7",
    "sales_lag_1",
    "sales_lag_7",
    "wday",
    "month",
    "snap_CA",
    "snap_TX",
    "snap_WI",
    "sarimax_fitted"
  ]
}