{
  "READY": true,
  "name": "audiology",
  "task": "binary",
  "num_classes": 2,
  "cat_idx": [
    0,
    1,
    2,
    3,
    4,
    5,
    6,
    7,
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    10,
    11,
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    14,
    15,
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    20,
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    22,
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    25,
    26,
    27,
    28,
    29,
    30,
    31,
    32,
    33,
    34,
    35,
    36,
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    38,
    39,
    40,
    41,
    42,
    43,
    44,
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    46,
    47,
    48,
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    50,
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    58,
    59,
    60,
    61,
    62,
    63,
    64,
    65,
    66,
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    68
  ],
  "num_samples": 199,
  "num_features": 69,
  "imbalance_ratio": 3.5227,
  "description": "OpenML Audiology ID 999, version 2: binary classification of the original cochlear_age diagnosis (P, encoded 1) versus all other source diagnoses (N, encoded 0). The P/N mapping is verified against the row-aligned original multiclass release, OpenML ID 7. The negative class includes other hearing disorders and normal ears. Exact duplicate feature rows with agreeing labels are collapsed before splitting; missing categorical measurements are preserved. Evaluation uses five stratified outer folds and three-fold inner cross-validation for hyperparameter selection.",
  "source": "OpenML_Dataset_ID_999",
  "label": "clinical & healthcare",
  "split_strategy": "cv",
  "target_mapping": {
    "0": "other source diagnoses (N)",
    "1": "cochlear_age (P)"
  },
  "url": "https://www.openml.org/d/999"
}