Table 8 Random Forests feature selection aggregate ranking
Final rank | Feature | Accuracy decrease | Accuracy decrease rank | Gini impurity | Gini impurity rank |
|---|---|---|---|---|---|
1 | Serum creatinine | 3.78×10−2 | 1 | 11.84 | 1 |
2 | Ejection fraction | 3.43×10−2 | 2 | 10.71 | 2 |
3 | Age | 1.53×10−2 | 3 | 8.58 | 3 |
4 | Creatinine phosphokinase | 7.27×10−4 | 6 | 7.26 | 4 |
4 | Serum sodium | 7.20×10−3 | 4 | 6.49 | 6 |
6 | Sex | 1.64×10−3 | 5 | 1.12 | 8 |
6 | Platelets | 2.47×10−4 | 8 | 6.80 | 5 |
8 | High blood pressure | −1.68×10−3 | 11 | 1.13 | 7 |
8 | Smoking | 3.68×10−4 | 7 | 0.95 | 11 |
10 | Anaemia | −5.91×10−4 | 10 | 1.06 | 9 |
10 | Diabetes | −1.41×10−4 | 9 | 1.02 | 10 |