Research Article
A Comparative Study of Soft Computing Models for Prediction of Permeability Coefficient of Soil
Table 1
Statistical analysis of the inputs and outputs in this study.
| Parameters | Notations | Unit | Minimum | Maximum | Average | Std |
| Natural water content | w | % | 15.1 | 99.9 | 34.23 | 16.5 | Void ratio | e | — | 0.46 | 2.63 | 0.97 | 0.42 | Specific density | γ | g/cm3 | 2.58 | 2.74 | 2.68 | 0.02 | Liquid limit | LL | % | 18.9 | 88.93 | 37.27 | 13.04 | Plastic limit | PL | % | 12.2 | 54.8 | 22.21 | 7.04 | Clay content | | % | 5.7 | 64 | 25.17 | 11.5 | Permeability coefficient | K | 10−9 cm/s | 0.3 | 7.1 | 1.45 | 0.94 |
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