classifier/diagnostics.json

{
  "test_set": {
    "n_samples": 4200,
    "n_non_natural": 2041,
    "n_natural": 2159
  },
  "metrics": {
    "roc_auc": 0.887,
    "average_precision": 0.8906
  },
  "threshold_05": {
    "accuracy": 0.7993,
    "confusion_matrix": [
      [
        1548,
        493
      ],
      [
        350,
        1809
      ]
    ]
  },
  "threshold_07": {
    "accuracy": 0.7526,
    "confusion_matrix": [
      [
        1888,
        153
      ],
      [
        886,
        1273
      ]
    ]
  },
  "training_data": {
    "total_labeled": 26344,
    "usable_after_download": 20996,
    "label_distribution": {
      "non_natural": 10323,
      "natural": 10673
    },
    "labeling_method": "active learning loop on ~200k pool from LAION-2B-en",
    "feature_model": "openai/clip-vit-large-patch14",
    "feature_dim": 768
  }
}