Reference | Overall | Near saturation | Near oven dryness | |||
| RSE | R2 | RSE | R2 | RSE | R2 |
Three-parameter models |
|
| ||||
| 0.08134 | 0.5246984 | 0.007665 | 0.8796749 | 0.003703 | 0.9788181 |
Tani (1982) | 0.07873 | 0.5661897 | 0.004983 | 0.9509574 | 0.004749 | 0.9648825 |
Exponential | 0.07792 | 0.5783668 | 0.003783 | 0.9720321 | 0.003793 | 0.9777493 |
Four-parameter models |
|
|
| |||
| 0.016564 | 0.9893501 | 0.002568 | 0.991553 | 0.009743 | 0.9905466 |
Ruso (1998) | 0.07796 | 0.577969 | 0.004351 | 0.9703861 | 0.00445 | 0.9770206 |
| 0.07991 | 0.548148 | 0.008066 | 0.8941245 | 0.003813 | 0.9831745 |
Kosugi (1999) | 0.07988 | 0.5486333 | 0.002266 | 0.9920582 | 0.003795 | 0.9833413 |
Five-parameter models |
|
| ||||
Fredlund-Xing (1994) | 0.07703 | 0.5919019 | 0.002646 | 0.9918761 | 0.003523 | 0.9904626 |
| 0.07705 | 0.5914976 | 0.002568 | 0.992349 | 0.004789 | 0.9823130 |
Biexponential (Omuto, 2009) | 0.017174 | 0.9885479 | 0.002463 | 0.9906058 | 0.002447 | 0.9931029 |