Table 4 Rank of the features selected by feature selection techniques.
Feature | Rank | Rank score | Feature | Rank | Rank score |
|---|---|---|---|---|---|
Plasticity index | 1 | 3.23 | Natural water content (%) | 9 | 2.65 |
Liquid limit | 2 | 3.20 | Gravel (%) | 10 | 2.60 |
Cohesion (C, kPa) | 3 | 3.16 | Specific gravity | 11 | 2.46 |
Fines content (%) | 4 | 3.09 | Water retention of soil | 12 | 0.35 |
Angle of internal friction | 5 | 3.08 | Moisture in soil | 13 | 0.33 |
Sand (%) | 6 | 2.99 | Sweet taste of soil | 14 | 0.28 |
Density (kN/m3) | 7 | 2.93 | Clay content in soil | 15 | 0.23 |
Silt (%) | 8 | 2.90 | Gravel content in soil | 16 | 0.21 |