1{2 "task_id": "F1-conf-03",3 "n_analysed": 1800,4 "n_firms": 300,5 "predictors_used": [6 "leverage",7 "cash_ratio",8 "log_sales"9 ],10 "variables_excluded": [11 {12 "variable": "rating_2025",13 "reason": "Final-vintage field assigned in the 2025 review using realised default history through 2022 and average sample leverage; known only in 2025, not at end of origin year t. Including it would leak the outcome (look-ahead)."14 }15 ],16 "beta_leverage": 0.2637836102938267,17 "se_leverage_cluster": 0.0407569280434615,18 "r2": 0.03490564212216729,19 "default_rate": 0.12111111111111111,20 "feasibility": "complete",21 "feasibility_reason": null,22 "data_issues": [23 {24 "issue": "Column rating_2025 is a final-vintage (2025) field built from realised defaults and average leverage: outcome leakage / look-ahead",25 "handling": "Excluded from analytic dataset and model; listed in variables_excluded"26 },27 {28 "issue": "40 duplicated (firm_id, year) rows in the extract; all are exact duplicates of another row (40 exact duplicates)",29 "handling": "Kept one copy of each firm-year (drop_duplicates)"30 },31 {32 "issue": "default_next missing for 2022: 300 rows (outcome year 2023 beyond data cut)",33 "handling": "Excluded from estimation sample; outcomes not imputed"34 }35 ],36 "n_input_rows": {37 "firm_panel.csv": 214038 },39 "random_seed": null,40 "supp_ci95_leverage_cluster": [41 0.18390149920815163,42 0.3436657213795017443 ],44 "supp_se_leverage_hc1": 0.03744708748506851,45 "supp_beta_cash_ratio": -0.18594837465723182,46 "supp_beta_log_sales": -0.007342181807581363,47 "supp_intercept": 0.08997926409935522,48 "supp_year_range": [49 2016,50 202151 ]52}