TABLE 3.
Top 15 significant features selected by models.
| Features (observed sample number) | |||||||||||||||
|
| |||||||||||||||
| Rank 1 | Rank 2 | Rank 3 | Rank 4 | Rank 5 | Rank 6 | Rank 7 | Rank 8 | Rank 9 | Rank 10 | Rank 11 | Rank 12 | Rank 13 | Rank 14 | Rank 15 | |
| LR | AGE (13,414) | GEN (13,414) | U (5,218) | PI138 (9,756) | R (3,408) | PI172 (6,666) | PI307 (4,831) | PI228 (1,694) | PI158 (13,137) | PI495 (1,358) | PI103 (3,940) | PI203 (551) | PI290 (2,367) | PI287 (4,403) | PI92 (8,767) |
| SVM | PI154 (3,324) | AGE (13,414) | PI36 (3,200) | PI226 (5,434) | PI494 (2,858) | PI171 (9,543) | PI127 (1,739) | PI306 (5,431) | PI273 (606) | PI103 (3,940) | PI1495 (1,358) | PI230 (7,252) | PI367 (285) | PI198 (4,580) | PI52 (10,181) |
| RF | AGE (13,414) | PI171 (9,543) | R (3,408) | PI154 (3,324) | GEN (13,414) | PI136 (3,200) | PI208 (5,405) | PI91 (8,789) | PI288 (12,122) | PI165 (9,641) | PI316 (9,601) | PI226 (5,434) | PI108 (9,883) | PI286 (12,699) | PI306 (5,431) |
| XGB | R (3,945) | AGE (13,414) | GEN (13,414) | PI171 (9,543) | PI136 (3,200) | PI54 (3,324) | PI208 (5,405) | PI91 (8,789) | PI226 (5,434) | PI306 (5,431) | PI31 (9,619) | PI165 (9,641) | PI266 (5,375) | PI316 (9,601) | PI288 (12,112) |
PI, pseudo-ion; GEN, gender; R, SPC-R; U, SPC-U.