Table 6 Descriptive statistics (means and standard deviations) of the performance measures of models optimized with GA in the test set.

From: Short-term streamflow modeling using data-intelligence evolutionary machine learning models

DA

Estimator

R

WI

RMSE

MAE

MAPE

NSE

KGE

1

ELM

0.960 (0.005)

0.979 (0.003)

0.184 (0.012)

0.118 (0.002)

6.91 (0.140)

0.914 (0.012)

0.944 (0.008)

EN

0.966 (0.00)

0.982 (0.00)

0.168 (0.00)

0.112 (0.00)

6.51 (0.008)

0.929 (0.00)

0.957 (0.00)

MARS

0.975 (0.00)

0.987 (0.00)

0.144 (0.00)

0.099 (0.00)

5.84 (0.038)

0.948 (0.00)

0.961 (0.002)

SVR

0.978 (0.003)

0.987 (0.002)

0.143 (0.012)

0.113 (0.012)

6.88 (0.790)

0.947 (0.009)

0.952 (0.010)

XGB

0.979 (0.00)

0.989 (0.00)

0.131 (0.003)

0.094 (0.003)

5.64 (0.160)

0.956 (0.002)

0.976 (0.002)

3

ELM

0.961 (0.003)

0.979 (0.002)

0.186 (0.007)

0.121 (0.002)

7.06 (0.138)

0.912 (0.007)

0.935 (0.005)

EN

0.965 (0.00)

0.981 (0.00)

0.175 (0.00)

0.115 (0.00)

6.63 (0.011)

0.923 (0.00)

0.945 (0.00)

MARS

0.971 (0.003)

0.985 (0.002)

0.154 (0.009)

0.096 (0.00)

5.66 (0.039)

0.939 (0.007)

0.956 (0.004)

SVR

0.977 (0.002)

0.987 (0.002)

0.147 (0.011)

0.114 (0.011)

6.89 (0.711)

0.945 (0.008)

0.947 (0.012)

XGB

0.981 (0.00)

0.990 (0.00)

0.126 (0.003)

0.096 (0.002)

5.78 (0.085)

0.960 (0.002)

0.974 (0.002)

5

ELM

0.941 (0.005)

0.968 (0.003)

0.231 (0.010)

0.151 (0.002)

8.72 (0.161)

0.865 (0.013)

0.907 (0.008)

EN

0.945 (0.00)

0.970 (0.00)

0.220 (0.00)

0.146 (0.00)

8.33 (0.026)

0.877 (0.00)

0.918 (0.001)

MARS

0.955 (0.002)

0.976 (0.001)

0.195 (0.005)

0.135 (0.002)

7.85 (0.122)

0.903 (0.005)

0.934 (0.005)

SVR

0.955 (0.002)

0.974 (0.002)

0.210 (0.008)

0.150 (0.009)

8.85 (0.532)

0.888 (0.009)

0.899 (0.010)

XGB

0.960 (0.00)

0.979 (0.00)

0.184 (0.002)

0.138 (0.002)

8.22 (0.124)

0.914 (0.002)

0.945 (0.005)

7

ELM

0.896 (0.004)

0.943 (0.003)

0.306 (0.007)

0.196 (0.003)

11.32 (0.236)

0.763 (0.011)

0.867 (0.007)

EN

0.903 (0.00)

0.948 (0.00)

0.290 (0.00)

0.188 (0.00)

10.69 (0.032)

0.786 (0.001)

0.883 (0.001)

MARS

0.901 (0.022)

0.946 (0.014)

0.299 (0.034)

0.191 (0.003)

10.99 (0.161)

0.771 (0.066)

0.866 (0.028)

SVR

0.915 (0.004)

0.951 (0.003)

0.289 (0.009)

0.185 (0.003)

10.71 (0.226)

0.787 (0.013)

0.853 (0.009)

XGB

0.922 (0.004)

0.958 (0.003)

0.262 (0.010)

0.187 (0.004)

10.98 (0.193)

0.826 (0.013)

0.897 (0.009)