{
  "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": 78.0603,
  "mean_2022_balanced": 81.5531,
  "change_2000_2022_balanced": 3.4928,
  "mean_2022_all_available": 78.692,
  "feasibility": "complete",
  "feasibility_reason": null,
  "data_issues": [
    {
      "issue": "23 duplicate (iso3, year) rows from the two-extraction assembly: {'TUR': ['Turkey', 'Turkiye']} (same iso3, different country_name spelling); life_expectancy values identical in every duplicated pair.",
      "handling": "Identified countries by iso3; kept one row per (iso3, year) (first occurrence), using the latest-spelling country name as the label for the country."
    },
    {
      "issue": "Empty life_expectancy cell(s): CHE 2007",
      "handling": "Treated as missing (no imputation); country excluded from the balanced set."
    },
    {
      "issue": "BGD has no row at all for 11 years (2000-2010); only 12 of 23 years present (likely only in the narrower extraction).",
      "handling": "Not imputed; country excluded from the balanced set (included in the 2022 all-available baseline)."
    },
    {
      "issue": "ETH has no row at all for 11 years (2000-2010); only 12 of 23 years present (likely only in the narrower extraction).",
      "handling": "Not imputed; country excluded from the balanced set (included in the 2022 all-available baseline)."
    },
    {
      "issue": "IND has no row at all for 11 years (2000-2010); only 12 of 23 years present (likely only in the narrower extraction).",
      "handling": "Not imputed; country excluded from the balanced set (included in the 2022 all-available baseline)."
    },
    {
      "issue": "NGA has no row at all for 11 years (2000-2010); only 12 of 23 years present (likely only in the narrower extraction).",
      "handling": "Not imputed; country excluded from the balanced set (included in the 2022 all-available baseline)."
    }
  ],
  "n_input_rows": {
    "life_expectancy_panel.csv": 439
  },
  "random_seed": null
}