models/model_v1.meta.json

{
  "model_name": "xgboost",
  "feature_variant": "conservative",
  "imbalance_strategy": "smote",
  "feature_columns": [
    "amount",
    "amount_to_oldbalanceDest_ratio",
    "dest_balance_delta_ratio",
    "orig_balance_consistent",
    "dest_balance_consistent",
    "orig_zero_after_flag",
    "dest_zero_stays_zero_flag",
    "dest_is_merchant",
    "orig_equals_dest",
    "orig_prior_txn_count",
    "orig_prior_txn_amount_mean",
    "dest_prior_txn_count",
    "type_CASH_IN",
    "type_CASH_OUT",
    "type_DEBIT",
    "type_PAYMENT",
    "type_TRANSFER"
  ],
  "selected_threshold": 0.5,
  "metrics": {
    "pr_auc": 0.9999745822557745,
    "roc_auc": 0.9999999143515995,
    "thresholds": {
      "0.3": {
        "precision": 0.9981176470588236,
        "recall": 0.9981176470588236,
        "f1": 0.9981176470588236
      },
      "0.5": {
        "precision": 0.9995285242809995,
        "recall": 0.9976470588235294,
        "f1": 0.9985869053226566
      },
      "0.7": {
        "precision": 1.0,
        "recall": 0.9971764705882353,
        "f1": 0.9985862393967955
      }
    },
    "selected_threshold": 0.5,
    "threshold_metrics_at_selection": {
      "precision": 0.9995285242809995,
      "recall": 0.9976470588235294,
      "f1": 0.9985869053226566
    }
  },
  "training_versions": {
    "python": "3.12.3 (main, Mar 23 2026, 19:04:32) [GCC 13.3.0]",
    "platform": "Linux-6.8.0-90-generic-x86_64-with-glibc2.39",
    "scikit_learn": "1.9.0",
    "xgboost": "3.3.0",
    "numpy": "2.4.6",
    "pandas": "3.0.3"
  },
  "trained_at": "2026-07-12T19:05:50.480025+00:00",
  "train_rows": 5113884,
  "test_rows": 1248736
}