1{2 "task_id": "F6-conf-02",3 "sample_start": "2010-01-04",4 "sample_end": "2019-12-31",5 "n_treated": 0,6 "baseline_metric": -0.04285142170604726,7 "model_metric": null,8 "effect_estimate": null,9 "effect_ci_low": null,10 "effect_ci_high": null,11 "conclusion": "premise_invalid",12 "feasibility": "infeasible",13 "feasibility_reason": "data/gc5y_daily.csv ends on 2019-12-31 and has no rows with post_cut = 1; the post-cut window and the 120-day pre-window defined relative to the first flagged day do not exist, so the effect cannot be computed.",14 "data_issues": [15 {16 "issue": "Coverage: file spans 2010-01-04 to 2019-12-31 (retrieval end_date=2019-12-31 per data/README.md); it ends before the 2020-03-04 cut and contains 0 rows with post_cut = 1.",17 "handling": "Treated window is empty, so the post-cut mean, the pre-window (120 days before the first flagged day) and the effect are undefined. Declared premise_invalid / infeasible; inestimable keys set to null. No proxy (e.g. placebo date) substituted."18 },19 {20 "issue": "Missing values: 0 rows with missing fields; duplicate dates: 0; dates monotone increasing: True.",21 "handling": "No action needed; no rows removed."22 },23 {24 "issue": "post_cut values outside {0,1}: 0; rows where post_cut disagrees with date >= 2020-03-04: 0.",25 "handling": "post_cut used exactly as provided (not redefined)."26 },27 {28 "issue": "Calendar gaps: 85 consecutive-row gaps longer than 3 calendar days (max 5 days), consistent with holidays/non-publication days.",29 "handling": "Per task rule, one-day changes are taken between consecutive rows regardless of calendar gap."30 }31 ],32 "n_input_rows": {33 "gc5y_daily.csv": 249834 },35 "n_analysed": null,36 "random_seed": null,37 "baseline_n_changes": 2497,38 "baseline_sd_change_bp": 4.23632863782724739}