fraud-detection / models /drift_report.json
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2026-06-05: deploy fraud detection dashboard (LightGBM + GNN + autoencoder, SHAP, drift, live scoring)
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{
"reference": "train period (2019-01 .. 2020-06)",
"current": "test period (2020-06 .. 2020-12)",
"feature_psi": [
{
"feature": "txn_count_7d",
"psi": 0.0733,
"status": "stable"
},
{
"feature": "day_of_week",
"psi": 0.0518,
"status": "stable"
},
{
"feature": "distinct_merchants_24h",
"psi": 0.0459,
"status": "stable"
},
{
"feature": "txn_count_24h",
"psi": 0.0458,
"status": "stable"
},
{
"feature": "amt_sum_7d",
"psi": 0.0394,
"status": "stable"
},
{
"feature": "amt_sum_24h",
"psi": 0.0282,
"status": "stable"
},
{
"feature": "secs_since_prev_txn",
"psi": 0.0171,
"status": "stable"
},
{
"feature": "amt_mean_24h",
"psi": 0.0103,
"status": "stable"
},
{
"feature": "age",
"psi": 0.0077,
"status": "stable"
},
{
"feature": "amt_dev_from_card_mean",
"psi": 0.0056,
"status": "stable"
},
{
"feature": "txn_count_1h",
"psi": 0.0046,
"status": "stable"
},
{
"feature": "amt_sum_1h",
"psi": 0.0028,
"status": "stable"
},
{
"feature": "amt_ratio_to_card_mean",
"psi": 0.0009,
"status": "stable"
},
{
"feature": "amt",
"psi": 0.0001,
"status": "stable"
},
{
"feature": "amt_log",
"psi": 0.0001,
"status": "stable"
},
{
"feature": "hour",
"psi": 0.0,
"status": "stable"
},
{
"feature": "is_night",
"psi": 0.0,
"status": "stable"
},
{
"feature": "is_weekend",
"psi": 0.0,
"status": "stable"
},
{
"feature": "city_pop_log",
"psi": 0.0,
"status": "stable"
},
{
"feature": "dist_home_merchant_km",
"psi": 0.0,
"status": "stable"
},
{
"feature": "dist_from_prev_txn_km",
"psi": 0.0,
"status": "stable"
}
],
"score_psi": 0.0038,
"score_psi_status": "stable"
}