{
  "READY": true,
  "name": "TOX_171",
  "task": "classification",
  "num_classes": 4,
  "cat_idx": [],
  "num_samples": 171,
  "num_features": 5748,
  "imbalance_ratio": 1.1538,
  "description": "Retrospective four-group classification of healthy controls, skin-cancer controls, limited-radiation-toxicity controls, and acute-radiation-toxicity cases. The 171 gene-expression profiles represent 57 donors, each measured in donor-derived lymphoblastoid cells under mock, ultraviolet, and ionizing-radiation conditions (GEO GDS968/GSE1725; Rieger et al., PNAS 2004). Five donor-grouped outer folds test every profile once; three donor-grouped inner folds select hyperparameters. The final-fit validation holdout is also donor-disjoint. Donor and GEO sample identifiers are split metadata, not features.",
  "source": "GEO_GDS968_GSE1725",
  "label": "transcriptomics",
  "split_strategy": "cv",
  "distribution_source": "ProtoGate/scikit-feature TOX_171.mat",
  "source_url": "https://www.ncbi.nlm.nih.gov/sites/GDSbrowser?acc=GDS968",
  "publication_doi": "10.1073/pnas.0307761101",
  "num_donors": 57,
  "class_names": [
    "healthy control",
    "skin cancer control",
    "limited toxicity control",
    "acute toxicity"
  ],
  "split_group": "donor",
  "sample_metadata_file": "sample_metadata.csv",
  "outer_split_protocol": "tox171_donor_outer_v1",
  "donor_mapping_sha256": "3c55970c2b79253e671c4346dc3ba95fe14256e66b94a618ac7a571ccc5427a4"
}