Table 2: Performance evaluation of different models for training dataset.

Performance index  Meyerhof [2]  Hansen [3]   Vesic [4]SVM*GP*
Polykernel
(C = 100; d = 2)
RBF kernel
(C = 250; σ = 3)

R0.93070.92950.94080.97420.99770.9923
E0.73870.69080.72080.94080.99480.9900
RMSE (kPa)260.0015282.8295268.7726123.792336.828065.0650
MBE (kPa)−78.3587−95.8701−103.2620−9.5919−3.5807−0.8618
MARE19.654520.926825.661919.39681.803612.9030

Present study.