{
  "seed": 20260826,
  "n_rows": 144,
  "units": {
    "price_10k": "万元",
    "area_m2": "平方米"
  },
  "random_split": {
    "train_n": 115,
    "test_n": 29,
    "mae_10k": 3.15
  },
  "future_region_split": {
    "train_n": 108,
    "test_n": 12,
    "mae_10k": 17.208
  },
  "leaky_random_split": {
    "train_n": 115,
    "test_n": 29,
    "mae_10k": 0.0
  },
  "warning": "leak_price_per_m2 is computed from the target price and is unavailable at prediction time."
}