Table 3.
Features | Description | Gini index (importance) |
Rank | Overall rank |
---|---|---|---|---|
Frequency (visual dictionary) | f1 (red) | 0.64 | 9 | 16 |
f2 (blue) | 3.68 | 1 | 2 | |
f3 (green) | 0.85 | 6 | 11 | |
f4 (black) | 0.87 | 5 | 10 | |
f5 (cyan) | 2.10 | 3 | 4 | |
f6 (orange) | 0.69 | 8 | 15 | |
f7 (yellow) | 1.26 | 4 | 7 | |
f8 (dark blue) | 2.12 | 2 | 3 | |
f9 (white) | 0.73 | 7 | 13 | |
Polynomial coefficient | c1 | 1.69 | 1 | 6 |
c2 | 1.17 | 2 | 8 | |
c3 | 1.09 | 3 | 9 | |
c4 | 0.70 | 5 | 14 | |
c5 | 0.85 | 4 | 12 | |
Clinical | Age | 4.68 | 1 | 1 |
Gender | 0.60 | 3 | 17 | |
Race | 0.37 | 4 | 18 | |
Diagnosis | 1.98 | 2 | 5 |
cn: polynomial coefficients in Eq. (1).