Table 8.
Top seven features (*) are selected by both methods (RF and KO): gaitSpeed_Off, PIGD_score, partII_sum, BMI, X2.11, H_and_Y_OFF, X3.10gait_off.
| Random Forests | Knockoff | ||
|---|---|---|---|
| Features | Frequency | Features | Frequency |
| gaitSpeed_Off* | 0.992 | X2.11* | 0.822 |
| PIGD_score* | 0.992 | PIGD_score* | 0.784 |
| partII_sum* | 0.878 | Gender | 0.742 |
| TUG_OFF | 0.856 | X3.10gait_off* | 0.621 |
| BMI* | 0.806 | H_and_Y_OFF* | 0.579 |
| X2.11* | 0.788 | partII_sum* | 0.566 |
| R_middle_temporal_gyrus | 0.632 | gaitSpeed_Off* | 0.544 |
| H_and_Y_OFF* | 0.586 | X2.12 | 0.394 |
| R_inferior_temporal_gyrus | 0.558 | X1.8 | 0.355 |
| R_middle_orbitofrontal_gyrus | 0.406 | BMI* | 0.346 |
| partI_sum | 0.404 | X2.8 | 0.333 |
| L_middle_temporal_gyrus | 0.392 | MoCA | 0.256 |
| L_gyrus_rectus | 0.384 | X2.9 | 0.246 |
| X3.10gait_off* | 0.376 | X3.17d | 0.240 |
| L_middle_occipital_gyrus | 0.354 | X1.9 | 0.211 |
| R_fusiform_gyrus | 0.354 | X3.12pull_test_off | 0.202 |
| L_lateral_orbitofrontal_gyrus | 0.352 | X1.10 | 0.195 |
| L_middle_orbitofrontal_gyrus | 0.326 | X2.13 | 0.192 |
| R_angular_gyrus | 0.290 | L_middle_frontal_gyrus | 0.157 |
| L_superior_occipital_gyrus | 0.282 | X2.10 | 0.154 |