Create fraud_detection.py

KOSASIH · Dec 2, 2024 · 2d1c0c5 · 2d1c0c5
1 parent 6c6cab0
commit 2d1c0c5
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/blockchain_development_integration/pi_network/components/fraud_detection/fraud_detection.py b/blockchain_development_integration/pi_network/components/fraud_detection/fraud_detection.py
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+# fraud_detection.py
+import pandas as pd
+from sklearn.ensemble import IsolationForest
+
+def detect_fraud(transactions):
+    model = IsolationForest(contamination=0.01)
+    model.fit(transactions[['amount', 'time', 'location']])
+    transactions['is_fraud'] = model.predict(transactions[['amount', 'time', 'location']])
+    return transactions[transactions['is_fraud'] == -1]