1{2 "task_id": "F6-dev-01",3 "feasibility": "complete",4 "feasibility_reason": null,5 "data_issues": [6 {7 "issue": "wb_indicators.csv mixes countries with 44 aggregate entities (regions/income groups)",8 "handling": "Excluded every entity whose region is 'Aggregates' in wb_entities.csv"9 },10 {11 "issue": "20 countries/economies lack gdp_pc_ppp in 2023: ASM, CHI, CUB, ERI, GIB, GUM, IMN, LIE, MAF, MCO, MNP, NCL, PRK, PYF, SSD, SYR, VEN, VGB, VIR, YEM (small territories plus conflict/sanctioned economies; missingness likely not random)",12 "handling": "Excluded and counted in n_excluded_missing; no imputation"13 },14 {15 "issue": "Central African Republic life-expectancy series is implausibly volatile in earlier years (e.g. 31.5 in 2019, 18.8 in 2022, 57.4 in 2023)",16 "handling": "Its 2023 value is plausible and kept (no task rule allows dropping it); flagged as a data-quality concern"17 },18 {19 "issue": "Life expectancy is reported for every entity-year including tiny territories, indicating modelled (UN WPP) estimates; latest-year values may be provisional",20 "handling": "Used as published; noted as a limitation"21 }22 ],23 "n_input_rows": {24 "wb_indicators.csv": 2349,25 "wb_entities.csv": 29626 },27 "n_analysed": 197,28 "random_seed": null,29 "analysis_year": 2023,30 "n_excluded_missing": 20,31 "baseline_metric": 7.07645404460588,32 "model_metric": 3.5949979094078177,33 "pearson_r": 0.8613437957840087,34 "r_squared": 0.7419131345356038,35 "effect_estimate": 5.267173451958655,36 "intercept": 22.56709274982858,37 "effect_se": 0.21067528691162227,38 "effect_se_type": "HC3",39 "effect_ci_low": 4.854257477179233,40 "effect_ci_high": 5.6800894267380775,41 "conclusion": "positive_effect",42 "n_countries_total": 217,43 "complete_counts_by_year": {44 "2015": 199,45 "2016": 199,46 "2017": 199,47 "2018": 199,48 "2019": 199,49 "2020": 199,50 "2021": 199,51 "2022": 199,52 "2023": 19753 },54 "effect_se_classical": 0.2224675828786451855}