Research Article

The Optimized Anomaly Detection Models Based on an Approach of Dealing with Imbalanced Dataset for Credit Card Fraud Detection

Table 3

Performance comparison with existing models.

ClassifierAccuracyPrecisionRecall score

1Logistic regression0.920.921.000.96
2-nearest neighbors0.910.920.990.95
3Decision tree0.840.930.900.91
4Gaussian NB0.920.921.000.96