Update models/fraud_detection_model.py

models/fraud_detection_model.py

@@ -8,3 +8,13 @@ def predict_fraud(model, data):
     # Placeholder for model prediction logic
     # Replace with actual prediction logic
     return model.predict_classes(data)
+from tensorflow.keras.models import Sequential
+from tensorflow.keras.layers import Dense, Dropout
+
+def build_model(input_dim):
+    model = Sequential()
+    model.add(Dense(64, input_dim=input_dim, activation='relu'))
+    model.add(Dropout(0.5))
+    model.add(Dense(1, activation='sigmoid'))
+    model.compile(optimizer='adam', loss='binary_crossentropy', metrics=['accuracy'])
+    return model