Author [Reference]

Max. Absolute error

MSE

SSE

Max. RE (%)

Goudar and Sonnad [17] a

4.14E−14

3.90E−29

1.17E−24

1.04E−10

Goudar and Sonnad [17] b

1.45E−07

5.99E−16

1.80E−11

3.64E−04

Cojbasić and Brkić [18] c

4.57E−07

1.35E−14

4.06E−10

0.0026

This study

3.886E−07

2.46E−15

1.480E−10

0.004

Cojbasić and Brkić [18] d

7.21E−06

2.82E−12

8.46E−08

0.0115

Vantankhah [19] e

1.99E−05

1.93E−11

5.78E−07

0.0499

Vantankhah [19] f

2.38E−05

1.02E−11

3.07E−07

0.0596

Offor and Alabi [20]

2.36E−05

2.86E−11

1.713E−06

0.0664