Table 2.
Rectify the most significant features of heart failure from two feature selection methods: feature importance-based selected features, and information gain-based selected features.
| Feature importance by RF | Information gain | ||
|---|---|---|---|
| Selected features | Importance rank | Selected features | Importance rank |
| Time | 0.36 | Time | 0.33 |
| Se_cr | 0.26 | Ej_fa | 0.24 |
| Ej_fa | 0.21 | Se_cr | 0.20 |
| Age | 0.17 | Age | 0.14 |
| Cr_ph | 0.15 | Anaemia | 0.11 |
| Plateletes | 0.12 | Cr_ph | 0.08 |
| Se_so | 0.10 | Se_so | 0.07 |
| Sex | 0.10 | Plateletes | 0.05 |
| Diabetes | 0.08 | Diabetes | 0.05 |
| Smoking | 0.07 | H_b_p | 0.03 |