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        "overlap_donor_count": 0
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        "training_samples": 41,
        "training_class_counts": {
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        "overlap_donor_count": 0
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    "performance_scope": "Post-hoc exploratory analysis of advanced prostate and metastatic breast cancer; donor-grouped internal resampling; severely batch-confounded; not MCED, early-detection, screening, external-validation, or clinical performance.",
    "batch_count": 23,
    "mixed_class_batches": [
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    ],
    "single_class_batch_count": 21,
    "distribution": [
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        "batch_id": "0",
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        "cancer_donors": 2,
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        "batch_id": "1",
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        "cancer_donors": 3,
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        "noncancer_donors": 0,
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        "cancer_donors": 1,
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        "cancer_donors": 1,
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        "cancer_donors": 2,
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        "cancer_donors": 1,
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        "cancer_donors": 1,
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        "cancer_donors": 6,
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        "noncancer_donors": 0,
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    ],
    "mixed_class_batches_only": {
      "status": "technically_evaluable_but_severely_underpowered",
      "performance_scope": "Post-hoc exploratory analysis of advanced prostate and metastatic breast cancer; donor-grouped internal resampling; severely batch-confounded; not MCED, early-detection, screening, external-validation, or clinical performance.",
      "batches": [
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        "10"
      ],
      "sample_records": 7,
      "donors": 7,
      "cancer_donors": 3,
      "noncancer_donors": 4,
      "posthoc_exploratory_roc_auc": 1.0,
      "fold_audit": [
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        {
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          "training_class_counts": {
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          "overlap_donor_count": 0
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        {
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          "training_samples": 6,
          "training_class_counts": {
            "0": 3,
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          "overlap_donor_count": 0
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      ],
      "donor_predictions": [
        {
          "patient_id": "01115_372",
          "label": 1,
          "score": 0.2047174591813692
        },
        {
          "patient_id": "01115_468",
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        {
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        },
        {
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        },
        {
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          "score": -0.28642540036686615
        },
        {
          "patient_id": "HD29",
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          "score": -0.14656862429928036
        },
        {
          "patient_id": "HD30",
          "label": 0,
          "score": -0.5699776850361877
        }
      ]
    },
    "cross_mixed_batch_transfer": [
      {
        "held_out_batch": "8",
        "training_batches": [
          "10"
        ],
        "status": "technically_evaluable_but_extremely_small",
        "performance_scope": "Post-hoc exploratory analysis of advanced prostate and metastatic breast cancer; donor-grouped internal resampling; severely batch-confounded; not MCED, early-detection, screening, external-validation, or clinical performance.",
        "training_donors": 4,
        "training_cancer_donors": 1,
        "training_noncancer_donors": 3,
        "validation_donors": 3,
        "validation_cancer_donors": 2,
        "validation_noncancer_donors": 1,
        "overlap_donor_count": 0,
        "posthoc_exploratory_roc_auc": 1.0,
        "predictions": [
          {
            "patient_id": "01115_468",
            "label": 1,
            "score": 0.14578867005346452
          },
          {
            "patient_id": "12431_24",
            "label": 1,
            "score": 1.846718569949996
          },
          {
            "patient_id": "HD12",
            "label": 0,
            "score": -0.2580737394685266
          }
        ]
      },
      {
        "held_out_batch": "10",
        "training_batches": [
          "8"
        ],
        "status": "technically_evaluable_but_extremely_small",
        "performance_scope": "Post-hoc exploratory analysis of advanced prostate and metastatic breast cancer; donor-grouped internal resampling; severely batch-confounded; not MCED, early-detection, screening, external-validation, or clinical performance.",
        "training_donors": 3,
        "training_cancer_donors": 2,
        "training_noncancer_donors": 1,
        "validation_donors": 4,
        "validation_cancer_donors": 1,
        "validation_noncancer_donors": 3,
        "overlap_donor_count": 0,
        "posthoc_exploratory_roc_auc": 1.0,
        "predictions": [
          {
            "patient_id": "01115_372",
            "label": 1,
            "score": -0.015582269065123985
          },
          {
            "patient_id": "HD28",
            "label": 0,
            "score": -0.23643559496888764
          },
          {
            "patient_id": "HD29",
            "label": 0,
            "score": -0.1754313402920261
          },
          {
            "patient_id": "HD30",
            "label": 0,
            "score": -0.34883997430834346
          }
        ]
      }
    ]
  },
  "limitations": [
    "This is advanced castration-resistant prostate and metastatic breast cancer versus healthy donors, not MCED or early-stage disease.",
    "All estimates are internal to one released cohort and are not independent validation.",
    "Donor aggregation uses multiple longitudinal samples when available and therefore does not estimate single-draw performance.",
    "Only 12 noncancer donors are available, with no benign or inflammatory disease controls.",
    "Batch is strongly outcome-associated; most batches contain only one class.",
    "Mixed-batch and cross-batch sensitivity analyses contain only a handful of donors and are extremely unstable.",
    "The donor LODO AUROC pools raw decision margins from 42 separately fitted fold models; those margins are not calibrated and their scales are not formally guaranteed to be commensurate.",
    "The coordinates are author processed; alignment and duplicate removal were not reproduced, and duplicate state remains unknown.",
    "The 221,792,015 passing observations are coordinate records, not guaranteed unique fragments or molecules because duplicate status is unknown.",
    "Coverage bins have neutral GC/mappability placeholders and are not a production CNA correction.",
    "All samples cover 567/589 bins; 22 assembly-gap/centromeric bins are zero in every sample and remain in the robust MAD calculation.",
    "Very long spans and noncanonical contigs occur upstream; the locked 50-1000 bp and chr1-22 filters define this analysis.",
    "No clinical sensitivity, specificity, PPV, screening threshold, tissue-of-origin, or generalization claim is supported."
  ]
}