1{2 "task_id": "F6-conf-03",3 "feasibility": "complete",4 "feasibility_reason": null,5 "data_issues": [6 {7 "issue": "UNRATE missing for 2025-10-01",8 "handling": "Outside the 1959Q4-2019Q4 window; removed by the 2019Q4 cutoff, no imputation needed."9 },10 {11 "issue": "Both files extend beyond 2019Q4 (to 2026), outside the question.",12 "handling": "All rows after 2019-12-31 dropped before any computation."13 }14 ],15 "n_input_rows": {16 "GDPC1.csv": 319,17 "UNRATE.csv": 94518 },19 "n_analysed": 240,20 "random_seed": null,21 "sample_start": "1960-01-01",22 "sample_end": "2019-10-01",23 "n_sub1": 96,24 "n_sub2": 144,25 "baseline_metric": 0.32465793964999184,26 "model_metric": 0.2497438816636253,27 "effect_estimate": -0.2557677277487258,28 "intercept": 0.18438835418210714,29 "effect_se": 0.03598488399675878,30 "hac_lags": 4,31 "effect_ci_low": -0.3262968043702248,32 "effect_ci_high": -0.18523865112722682,33 "beta_sub1": -0.25902105345680587,34 "beta_sub2": -0.27339263306757905,35 "chow_f_stat": 6.0903330062337675,36 "chow_p_value": 0.002636323851733417,37 "stability_conclusion": "unstable",38 "conclusion": "negative_effect",39 "ols_se_beta_iid": 0.01996009291490984,40 "hac_lags_sub1": 3,41 "hac_lags_sub2": 4,42 "r_squared": 0.4082508284562034,43 "ssr_pooled": 14.96928154281957,44 "ssr_sub1": 7.379293854646264,45 "ssr_sub2": 6.855297827559747,46 "intercept_sub1": 0.2542326539884382,47 "intercept_sub2": 0.15168581347724602,48 "hac_wald_break_joint_chi2": 10.744106556040112,49 "hac_wald_break_joint_p": 0.004644584888844005,50 "hac_wald_break_slope_chi2": 0.033475422396223316,51 "hac_wald_break_slope_p": 0.8548271295127583,52 "sigma_resid_sub1": 0.27725014755493266,53 "sigma_resid_sub2": 0.21818853066467392,54 "se_beta_sub1": 0.03921717107661775,55 "se_beta_sub2": 0.0687936923308342456}