Parameter type

Model

RMSE

MAE

R²

ANFIS Rule

dimensional

d_s = f(u, Y, D, d₅₀)

0.0742

0.39

0.96

9

d_s = f(u, Y, D)

0.1013

0.473

0.91

6

d_s = f(Y, D, d₅₀)

0.0803

0.394

0.95

7

d_s = f(u, D, d₅₀)

0.116

0.5124

0.89

4

Non-dimensional

d_s/D= f(τ_*, Y/D, D/d₅₀ , Fr)

0.0137

0.0711

0.83

18

d_s/D= f(τ_*, D/d₅₀, Fr)

0.0212

0.1128

0.72

8

d_s/D= f(τ_*, Y/D, D/d₅₀)

0.0159

0.790

0.82

14

d_s/D= f(τ_*, Y/D, Fr)

0.0179

0.0903

0.77

19