{
  "task_id": "F6-conf-01",
  "n_missing_rows": 215,
  "n_train": 2500,
  "n_test": 2501,
  "anova_f_stat": 0.263465716807118,
  "anova_p_value": 0.9015060507654888,
  "effect_estimate": 0.050170098401698796,
  "effect_ci_low": -0.31933577569409977,
  "effect_ci_high": 0.41967597249749733,
  "baseline_metric": 4.875704154642544,
  "model_metric": 4.883841522290305,
  "conclusion": "no_detectable_effect",
  "feasibility": "complete",
  "feasibility_reason": null,
  "data_issues": [
    {
      "issue": "215 rows with empty DGS10 field (US market holidays, incl. 2001-09-11/12)",
      "handling": "dropped before differencing, per TASK rules"
    },
    {
      "issue": "214 changes span a holiday (gap longer than the normal 1 day, or 3 days for Mondays); Monday changes always span a weekend",
      "handling": "kept and attributed to the weekday of t, as specified; no rescaling by elapsed days"
    },
    {
      "issue": "large outliers, e.g. -51 bp on 2009-03-18 (FOMC QE1 announcement)",
      "handling": "kept; verified as genuine market moves, not data errors"
    }
  ],
  "n_input_rows": {
    "DGS10.csv": 5217
  },
  "n_analysed": 5001,
  "random_seed": null,
  "monday_contrast_method": "Welch two-sample t interval (unequal variances), Monday vs Tue-Fri, all changes",
  "monday_contrast_se": 0.18837955539096196,
  "monday_contrast_welch_df": 1548.9581965107577,
  "robust_hc1_ci_low": -0.3189570734770602,
  "robust_hc1_ci_high": 0.419297270280459,
  "rmse_ratio_model_over_baseline": 1.0016689625518014,
  "rmse_constant_train_mean": 4.8751986528852305,
  "data_sha256": "8187f89ab6523b3c964255e1736cfcf0e2ca854ed9e50343e04f4dc2945c5cd7"
}