| M | Regression coefficients | MBE | RMSE | MPE% | R2 | S.E | |||
| a | b | c | d | ||||||
| (Hd/H) and (Kt) Model (15) Model (16) Model (17) |
−2.356 1.234 135.2 |
1.652 −9.325 145.8 |
- −5.327 268.4 |
- - 311.4 |
0.009 0.007 0.004 |
0.006 0.007 0.002 |
−0.862 −0.752 −1.325 |
0.951 0.887 0.957 |
0.022 0.031 0.027 |
| (Hd/H) and (S/So) Model (18) Model (19) Model (20) |
3.245 0.632 −0.249 |
0.237 −1.895 2.347 |
- 25.314 5.326 |
- - 265.8 |
0.008 −0.005 0.003 |
0.008 0.004 0.005 |
−0.523 −1.358 −0.498 |
0.892 0.865 0.948 |
0.034 0.026 0.019 |
| (Hd/Ho) and (S/So) Model (21) Model (22) Model (23) |
0.468 −2.378 −0.189 |
0.689 −1.369 2.378 |
- −3.648 4.359 |
- - 198.6 |
0.005 0.009 −0.006 |
0.007 0.005 0.003 |
−1.114 −1.356 −0.687 |
0.965 0.907 0.897 |
0.027 0.023 0.018 |