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)",19 "handling": "dropped before differencing, as required by TASK"20 },21 {22 "issue": "214 changes span a holiday (calendar gap longer than normal: > 3 days for Monday, > 1 day otherwise), e.g. Tuesday after a Monday holiday covers two trading sessions' worth of calendar time",23 "handling": "kept and attributed to the weekday of t per TASK rule; noted as a limitation"24 }25 ],26 "n_input_rows": {27 "DGS10.csv": 521728 },29 "n_analysed": 5001,30 "random_seed": null,31 "supplementary": {32 "effect_method": "Welch two-sample t interval (Monday vs other weekdays, all changes)",33 "effect_se": 0.18837955539096196,34 "effect_welch_df": 1548.9581965107577,35 "effect_welch_p_value": 0.7900247217974709,36 "n_monday": 919,37 "n_other": 4082,38 "train_weekday_means_bp": {39 "Monday": -0.05434782608695652,40 "Tuesday": -0.40545808966861596,41 "Wednesday": -0.2054263565891473,42 "Thursday": 0.01383399209486166,43 "Friday": 0.1168316831683168444 },45 "rmse_ratio_model_over_baseline": 1.0016689625518014,46 "dm_stat_sqloss_positive_favours_weekday": -1.8573748978469748,47 "dm_p_value": 0.06325783524850241,48 "rmse_test_train_unconditional_mean": 4.8751986528852305,49 "n_changes_spanning_holiday_gap": 214,50 "n_available_obs": 500251 }52}