1{2 "task_id": "F6-dev-01",3 "feasibility": "complete",4 "feasibility_reason": null,5 "data_issues": [6 {7 "issue": "wb_indicators.csv contains regional/income-group aggregates (79 entities with region 'Aggregates')",8 "handling": "Excluded via wb_entities.csv region == 'Aggregates' before choosing the analysis year."9 },10 {11 "issue": "20 countries/economies lack GDP per capita PPP in 2023 (ASM, CHI, CUB, ERI, GIB, GUM, IMN, LIE, MAF, MCO, MNP, NCL, PRK, PYF, SSD, SYR, VEN, VGB, VIR, YEM); missingness is non-random (small territories, conflict/sanctioned states)",12 "handling": "Excluded without imputation as required; counted in n_excluded_missing; possible selection bias discussed in report."13 },14 {15 "issue": "Central African Republic life expectancy is erratic across 2015-2022 (e.g. 18.8 in 2022, 31.5 in 2019)",16 "handling": "Only the analysis-year value is used (57.408 in 2023), which is plausible; kept. Influence assessed by the drop-5-largest-residuals sensitivity."17 },18 {19 "issue": "West Bank and Gaza life expectancy falls ~11.5 years in 2023 (conflict)",20 "handling": "Kept as reported; real data feature, covered by the residual-trimming sensitivity if influential."21 },22 {23 "issue": "Recent-year WDI values may be modelled estimates/projections rather than measurements",24 "handling": "Not verifiable from the provided files; noted as a limitation."25 }26 ],27 "n_input_rows": {28 "wb_indicators.csv": 2349,29 "wb_entities.csv": 29630 },31 "n_analysed": 197,32 "random_seed": null,33 "analysis_year": 2023,34 "n_countries_in_year": 217,35 "n_excluded_missing": 20,36 "complete_countries_by_year": {37 "2015": 199,38 "2016": 199,39 "2017": 199,40 "2018": 199,41 "2019": 199,42 "2020": 199,43 "2021": 199,44 "2022": 199,45 "2023": 19746 },47 "baseline_metric": 7.07645404460588,48 "model_metric": 3.5949979094078177,49 "pearson_r": 0.8613437957840087,50 "r_squared": 0.7419131345356038,51 "effect_estimate": 5.267173451958655,52 "intercept": 22.56709274982858,53 "effect_se": 0.21067528691162227,54 "effect_se_type": "HC3",55 "effect_ci_low": 4.851678797609962,56 "effect_ci_high": 5.682668106307348,57 "ci_critical_value_t": 1.9722040512658325,58 "effect_t_stat": 25.00138259770459,59 "conclusion": "positive_effect",60 "sensitivity_se_hc0": 0.20736485591704354,61 "sensitivity_se_hc1": 0.2084255526375312,62 "sensitivity_se_hc2": 0.20901105806015902,63 "sensitivity_se_classical": 0.22246758287864518,64 "sensitivity_trim5_effect": 5.317276954719264,65 "sensitivity_trim5_se_hc3": 0.19476985624358756,66 "sensitivity_trim5_dropped_iso3": [67 "NGA",68 "GRL",69 "NRU",70 "GNQ",71 "GUY"72 ],73 "mean_life_expectancy": 73.4740815888324974}