audiology / metadata.json
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{
"READY": true,
"name": "audiology",
"task": "binary",
"num_classes": 2,
"cat_idx": [
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],
"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"
}