{
  "status": "packed",
  "scanned": 600000,
  "train_n": 479716,
  "eval_full_n": 120284,
  "val_n": 8192,
  "overlap_dropped": 0,
  "val_method": "piece_stratified_hash_holdout_frozen",
  "piece_min": 2,
  "piece_max": 13,
  "val_piece_hist": {
    "2": 0,
    "3": 741,
    "4": 885,
    "5": 740,
    "6": 729,
    "7": 723,
    "8": 738,
    "9": 722,
    "10": 727,
    "11": 739,
    "12": 726,
    "13": 722
  },
  "note": "Frozen val. Later shards: train-hash only, one-hot best line, value_valid=1."
}