Table 4.
Combination of the top 10 important features from each classifier for binary classification using penalized logistic regression (PLR) model with elastic net penalty, random forest (RF) and support vector machine (SVM)
| Measure | Region | Rank in PLR classifier | Rank in SVM classifier | Rank in RF classifier | Average rank |
|---|---|---|---|---|---|
| Mean FA (dMRI) | Left medial orbitofrontal | 1(2.52) | 1(1.30) | 1(1.12) | 1 |
| Mean FA (dMRI) | Right cuneus | 2(15.82) | 2(2.82) | 2(3.40) | 2 |
| Gray matter volume (sMRI) | Inferior temporal | 6(47.88) | 4(6.16) | 3(6.56) | 4.33 |
| Mean FA (dMRI) | Left middle temporal | 8(49.66) | 7(11.74) | 4(7.16) | 6.33 |
| Mean FA (dMRI) | Left lateral orbitofrontal | 5(44.62) | 5(6.54) | 10(13.22) | 6.67 |
| Gray matter volume (sMRI) | Left pars orbitalis | 11(62.82) | 3(4.58) | 8(9.66) | 7.33 |
| Mean FA (dMRI) | Right entorhinal | 3(31.18) | 6(9.30) | 22(20.78) | 10.33 |
| Gray matter volume asymmetry (sMRI) | Cuneus | 10(61.40) | 8(11.94) | 14(16.54) | 10.67 |
| Mean FA (dMRI) | Left lateral occipital | 4(44.62) | 10(12.50) | 20(20.06) | 11.33 |
| Gray matter volume asymmetry (sMRI) | Pars triangularis | 7(49.54) | 11(13.06) | 19(19.54) | 12.33 |
| Mean FA (dMRI) | Left banks of the superior temporal sulcus | 9(57.12) | 24(25.66) | 6(8.72) | 13 |
| Mean FA (dMRI) | Right rostral anterior cingulate | 13(68.08) | 19(21.68) | 9(10.36) | 13.67 |
| Mean FA (dMRI) | Right fusiform | 22(81.58) | 23(25.22) | 5(8.00) | 16.67 |
| Volume asymmetry (sMRI) | Cerebellum | 18(74.02) | 9(12.08) | 26(25.12) | 17.67 |
| Mean FA (dMRI) | Left insula | 39(141.30) | 22(24.02) | 7(8.80) | 22.67 |
Notes. Numbers in the parentheses are the average rank from 10 repeated fivefold cross‐validation. Average rank refers to the mean rank across the three algorithms.