1{2 "task_id": "F6-conf-01",3 "n_missing_rows": 215,4 "n_train": 2500,5 "n_test": 2501,6 "anova_f_stat": 0.263465716807118,7 "anova_p_value": 0.9015060507654888,8 "effect_estimate": 0.050170098401698796,9 "effect_ci_low": -0.31933577569409977,10 "effect_ci_high": 0.41967597249749733,11 "baseline_metric": 4.875704154642544,12 "model_metric": 4.883841522290305,13 "conclusion": "no_detectable_effect",14 "feasibility": "complete",15 "feasibility_reason": null,16 "data_issues": [17 {18 "issue": "215 rows with empty DGS10 field (US market holidays / no publication)",19 "handling": "Dropped before differencing, as prescribed; changes computed between consecutive available observations."20 },21 {22 "issue": "214 changes (excluding ordinary Fri->Mon weekends) span a holiday gap and thus cover more than one business day",23 "handling": "Kept and attributed to the weekday of t, as prescribed by TASK.md; noted as a limitation (inflates variance, mostly for Tuesdays after Monday holidays)."24 }25 ],26 "n_input_rows": {27 "DGS10.csv": 521728 },29 "n_analysed": 5001,30 "random_seed": null,31 "supplementary": {32 "monday_contrast_method": "Welch two-sample t interval (unequal variances)",33 "welch_se_bp": 0.18837955539096196,34 "welch_df": 1548.9581965107577,35 "welch_p_value": 0.7900247217974709,36 "train_weekday_means_bp": {37 "Monday": -0.05434782608695652,38 "Tuesday": -0.40545808966861596,39 "Wednesday": -0.2054263565891473,40 "Thursday": 0.01383399209486166,41 "Friday": 0.1168316831683168442 },43 "rmse_train_unconditional_mean_bp": 4.8751986528852305,44 "dm_stat_model_minus_zero_sqloss": 1.8573748978469748,45 "dm_p_value": 0.06325783524850241,46 "levene_p_value": 1.0122651168712971e-07,47 "kruskal_p_value": 0.517680616932490648 }49}