{
  "task_id": "F6-dev-01",
  "analysis_year": 2023,
  "n_excluded_missing": 20,
  "baseline_metric": 7.07645404460588,
  "model_metric": 3.5949979094078177,
  "pearson_r": 0.8613437957840087,
  "r_squared": 0.7419131345356038,
  "effect_estimate": 5.267173451958655,
  "intercept": 22.56709274982858,
  "effect_se": 0.21067528691162227,
  "effect_ci_low": 4.854257477179233,
  "effect_ci_high": 5.6800894267380775,
  "conclusion": "positive_effect",
  "feasibility": "complete",
  "feasibility_reason": null,
  "data_issues": [
    {
      "issue": "wb_indicators.csv mixes countries with regional/income aggregates (79 aggregate codes in metadata)",
      "handling": "Dropped every iso3 whose region is 'Aggregates' in wb_entities.csv"
    },
    {
      "issue": "0 iso3 codes in indicators not found in entity metadata; 0 duplicate iso3-year rows",
      "handling": "Checked; nothing to handle"
    },
    {
      "issue": "Literal country codes/names such as 'NA' could be parsed as missing by default CSV readers",
      "handling": "Read CSVs with only empty strings treated as missing"
    },
    {
      "issue": "Implausible life-expectancy values for Central African Republic in non-analysis years (2019: 31.5, 2022: 18.8)",
      "handling": "Not in analysis year 2023; left unchanged, flagged only"
    },
    {
      "issue": "20 countries/economies in 2023 lack an indicator (all GDP pc PPP missing: ASM, CHI, CUB, ERI, GIB, GUM, IMN, LIE, MAF, MCO, MNP, NCL, PRK, PYF, SSD, SYR, VEN, VGB, VIR, YEM); missingness concentrated in small territories and conflict/sanctioned economies",
      "handling": "Excluded listwise, no imputation; counted in n_excluded_missing"
    },
    {
      "issue": "0 non-positive GDP values (log undefined)",
      "handling": "Checked; none found"
    }
  ],
  "n_input_rows": {
    "wb_indicators.csv": 2349,
    "wb_entities.csv": 296
  },
  "n_analysed": 197,
  "random_seed": null
}