Table 5: Results for the models developed for tan(φ’) prediction.
IVS Regression ANN
R2 MAD RMSE RMSE
P1-P6 0.976±0.003 0.025±0.015 0.046±0.013 0.057±0.006
P1, P4, P6 0.953±0.008 0.045±0.014 0.062±0.015 0.070±0.006