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": -0.042851,7 "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": "The data contain zero rows with post_cut=1 (sample ends 2019-12-31, before the 2020-03-04 cut), so the post-cut mean change, the 120-day pre-window anchored at the first flagged day, the effect and its interval cannot be computed.",14 "data_issues": [15 {16 "issue": "File covers only 2010-01-04 to 2019-12-31 (README retrieval end_date=2019-12-31); no row has post_cut=1 and no observation exists on/after the 2020-03-04 cut, so the post-cut window is empty",17 "handling": "estimand not computable; effect, CI, model_metric and n_analysed set to null; conclusion premise_invalid; no proxy window substituted"18 }19 ],20 "n_input_rows": {21 "gc5y_daily.csv": 249822 },23 "n_analysed": null,24 "random_seed": null,25 "baseline_n_changes": 2497,26 "baseline_sd_change_bp": 4.236329,27 "input_sha256": "2cdda6ccb2147c8861997166cb0d32cf85ff2744e1e7c0f47eded0f354c2db51"28}