{
  "task_id": "F1-conf-02",
  "n_countries_total": 20,
  "n_countries_balanced": 15,
  "n_countries_incomplete": 5,
  "balanced_countries": [
    "AUS",
    "AUT",
    "BEL",
    "CAN",
    "DEU",
    "ESP",
    "FRA",
    "GBR",
    "ITA",
    "JPN",
    "KOR",
    "NLD",
    "SWE",
    "TUR",
    "USA"
  ],
  "n_analysed": 345,
  "mean_2000_balanced": 78.060267,
  "mean_2022_balanced": 81.553067,
  "change_2000_2022_balanced": 3.4928,
  "mean_2022_all_available": 78.692,
  "n_countries_2022_all_available": 20,
  "feasibility": "complete",
  "feasibility_reason": null,
  "data_issues": [
    {
      "issue": "TUR appears twice for 23 years under names ['Turkey', 'Turkiye'] (assembly of two extractions); duplicate rows have identical values",
      "handling": "kept one row per (iso3, year); identical values so no choice of value needed; country_name set to the most recent spelling 'Turkiye' for TUR"
    },
    {
      "issue": "CHE 2007 has an empty life_expectancy cell",
      "handling": "treated as missing (no imputation); country therefore excluded from balanced set"
    },
    {
      "issue": "BGD has no recorded value for year(s) 2000-2010 (no row or empty cell)",
      "handling": "excluded from balanced panel; still counted in n_countries_total and, if it has a 2022 value, in the all-available 2022 baseline"
    },
    {
      "issue": "CHE has no recorded value for year(s) 2007 (no row or empty cell)",
      "handling": "excluded from balanced panel; still counted in n_countries_total and, if it has a 2022 value, in the all-available 2022 baseline"
    },
    {
      "issue": "ETH has no recorded value for year(s) 2000-2010 (no row or empty cell)",
      "handling": "excluded from balanced panel; still counted in n_countries_total and, if it has a 2022 value, in the all-available 2022 baseline"
    },
    {
      "issue": "IND has no recorded value for year(s) 2000-2010 (no row or empty cell)",
      "handling": "excluded from balanced panel; still counted in n_countries_total and, if it has a 2022 value, in the all-available 2022 baseline"
    },
    {
      "issue": "NGA has no recorded value for year(s) 2000-2010 (no row or empty cell)",
      "handling": "excluded from balanced panel; still counted in n_countries_total and, if it has a 2022 value, in the all-available 2022 baseline"
    }
  ],
  "n_input_rows": {
    "life_expectancy_panel.csv": 439
  },
  "random_seed": null
}