Research Article
Influences of Daily Life Habits on Risk Factors of Stroke Based on Decision Tree and Correlation Matrix
Table 4
Confusion matrix achieved by the optimized C4.5 algorithm.
| | Risk level analyzed by optimized C4.5 algorithm | Recall | | H | M | Y | T | N | L |
| | Risk level analyzed by physicians | | | | | | | | | H | 1288 | 127 | 0 | 0 | 0 | 0 | 0.910 | | M | 44 | 1502 | 0 | 0 | 0 | 0 | 0.972 | | Y | 0 | 0 | 165 | 0 | 0 | 0 | 1.000 | | T | 2 | 0 | 0 | 51 | 0 | 0 | 0.962 | | N | 0 | 0 | 0 | 0 | 679 | 255 | 0.727 | | L | 0 | 0 | 0 | 0 | 182 | 596 | 0.766 | | Precision | 0.966 | 0.922 | 1.000 | 1.000 | 0.789 | 0.700 | | | Accuracy | 87.53% | | Kappa | 0.8344 |
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