| C4.5 | MLP-ANN | k-means + MLP-ANN | Hierarchical + MLP-ANN | SOM + MLP-ANN |
Accuracy | 94.3% | 94.3% | 97.2% | 94.8% | 95.9% |
Churn Rate | 72.3% | 68.3% | 73.0% | 74.2% | 74.6% |