Research Article
A Financial Risk Early Warning of Listed Companies Based on PCA and BP Neural Network
Table 6
Prediction accuracy of different models.
| ā | ā | PCA | Training | Test | Training | Test |
| SVM | 99.7% | 66.7% | 99.7% | 66.8% | Logistic | 73.7% | 72.7% | 66.1% | 62.4% | BP-NN | 93.9% | 75.8% | 95.1% | 86.6% |
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