{
  "task_id": "F6-conf-01",
  "feasibility": "complete",
  "feasibility_reason": null,
  "data_issues": [
    {
      "issue": "215 rows with empty DGS10 (US market holidays)",
      "handling": "dropped before differencing, as required; changes computed between consecutive available observations"
    },
    {
      "issue": "214 changes span a holiday (gap longer than a normal weekday/weekend gap); 0 span more than 4 calendar days",
      "handling": "kept and attributed to the weekday of t per the task rules; noted as limitation (multi-day changes have larger variance)"
    }
  ],
  "n_input_rows": {
    "DGS10.csv": 5217
  },
  "n_analysed": 5001,
  "random_seed": null,
  "n_missing_rows": 215,
  "n_train": 2500,
  "n_test": 2501,
  "anova_f_stat": 0.26346571680712,
  "anova_p_value": 0.9015060507654888,
  "effect_estimate": 0.05017009840169969,
  "effect_ci_low": -0.319335775694099,
  "effect_ci_high": 0.41967597249749833,
  "baseline_metric": 4.875704154642543,
  "model_metric": 4.883841522290305,
  "conclusion": "no_detectable_effect",
  "supp_effect_se": 0.18837955539096202,
  "supp_effect_welch_df": 1548.9581965107568,
  "supp_effect_welch_p": 0.7900247217974672,
  "supp_rmse_ratio_model_over_baseline": 1.0016689625518016,
  "supp_rmse_train_mean_forecast": 4.87519865288523,
  "supp_levene_p": 1.0122651168712971e-07,
  "supp_kruskal_p": 0.47102318097227847,
  "supp_train_weekday_means_bp": {
    "Monday": -0.05434782608695535,
    "Tuesday": -0.40545808966861635,
    "Wednesday": -0.20542635658914643,
    "Thursday": 0.013833992094862349,
    "Friday": 0.11683168316831462
  },
  "supp_n_holiday_spanning_changes": 214
}