{
  "study_area": "Ibu Kota Nusantara (IKN)",
  "period_1": "2024",
  "period_2": "2026",
  "built_up_area_2024_ha": 184795.31,
  "built_up_area_2026_ha": 193967.19,
  "change_gain_ha": 29782.80,
  "change_loss_ha": 20610.92,
  "net_change_ha": 9171.88,
  "gain_polygon_count": 717,
  "loss_polygon_count": 242,
  "bwp_rankings": {
    "gain": [
      { "bwp": "BWP IV (Hutan Konservasi)", "area_ha": 11230.40, "percentage": 37.7 },
      { "bwp": "BWP II (Sentra Ekonomi)", "area_ha": 6450.15, "percentage": 21.7 },
      { "bwp": "BWP III (Sentra Pangan)", "area_ha": 5120.80, "percentage": 17.2 },
      { "bwp": "BWP V (Pariwisata & Jasa)", "area_ha": 3820.15, "percentage": 12.8 },
      { "bwp": "BWP I (Kawasan Inti)", "area_ha": 1845.30, "percentage": 6.2 },
      { "bwp": "BWP VI (Riset & Inovasi)", "area_ha": 1316.00, "percentage": 4.4 }
    ],
    "loss": [
      { "bwp": "BWP I (Kawasan Inti / KIPP)", "area_ha": 12450.20, "percentage": 60.4 },
      { "bwp": "BWP II (Sentra Ekonomi)", "area_ha": 3120.40, "percentage": 15.1 },
      { "bwp": "BWP III (Sentra Pangan)", "area_ha": 2150.10, "percentage": 10.4 },
      { "bwp": "BWP V (Pariwisata & Jasa)", "area_ha": 1450.60, "percentage": 7.0 },
      { "bwp": "BWP IV (Hutan Konservasi)", "area_ha": 820.50, "percentage": 4.0 },
      { "bwp": "BWP VI (Riset & Inovasi)", "area_ha": 619.12, "percentage": 3.0 }
    ]
  },
  "model_evaluation": {
    "overall_accuracy": 0.94805,
    "kappa_coefficient": 0.89552,
    "class_0_non_target": {
      "producer_accuracy_recall": 0.89189,
      "consumer_accuracy_precision": 1.00000,
      "f1_score": 0.94286
    },
    "class_1_target": {
      "producer_accuracy_recall": 1.00000,
      "consumer_accuracy_precision": 0.90909,
      "f1_score": 0.95238
    }
  }
}