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 file contains no rows with post_cut = 1 (sample ends 2019-12-31, before the 2020-03-04 cut), so neither the post-cut window nor the '120 trading days before the first flagged day' window exists; the effect, its interval and the two-window RMSE cannot be computed.",14 "data_issues": [15 {16 "issue": "No rows with post_cut = 1: the file covers 2010-01-04 to 2019-12-31 (README retrieval used end_date=2019-12-31), entirely before the 2020-03-04 cut, so the post-cut window is empty.",17 "handling": "Estimand declared not computable (premise_invalid); effect, CI, model_metric and n_analysed set to null. No proxy or substitute data used."18 },19 {20 "issue": "Calendar gaps between consecutive rows up to 5 days (weekends/holidays; max gaps around year-end).",21 "handling": "Per task rules, one-day change is defined between consecutive rows regardless of calendar gap; no adjustment."22 }23 ],24 "n_input_rows": {25 "gc5y_daily.csv": 249826 },27 "n_analysed": null,28 "random_seed": null,29 "audit_n_changes": 2497,30 "audit_sd_change_bp": 4.236329,31 "audit_input_sha256": "2cdda6ccb2147c8861997166cb0d32cf85ff2744e1e7c0f47eded0f354c2db51"32}