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Table 5

The statistical performance of ANN, GA-SA, SARIMA, and ARIMA models

CombinationC1C2C3C4C5C6
ANN 
Station Chau Doc 
R 0.925 0.954 0.929 0.921 0.941 0.93 
RMSE 631.836 495.265 614.069 650.265 559.747 610.255 
MAE 527.141 402.819 518.852 557.982 460.525 491.862 
Station Can Tho 
R 0.807 0.793 0.8 0.805 0.869 0.788 
RMSE 2,450.187 2,538.106 2,493.204 2,467.135 2,014.845 2,567.692 
MAE 1,717.062 1,824.27 1,849.792 1,689.624 1,525.442 1,655.324 
GA-SA 
Station Chau Doc 
R 0.88 0.893 0.899 0.869 0.885 0.895 
RMSE 800.205 756.104 734.565 835.735 783.534 749.035 
MAE 693.561 659.242 640.103 729.406 687.416 627.801 
Station Can Tho      
R 0.618 0.665 0.697 0.646 0.689 0.668 
RMSE 3,452.377 3,231.273 3,070.225 3,321.072 3,109.263 3,215.501 
MAE 2,657.278 2,192.053 2,211.622 2,493.402 2,399.565 2,277.55 
SARIMA 
Station Chau Doc 
R 0.757 0.75 0.753 0.752 0.783 0.824 
RMSE 1,140.072 1,154.929 1,149.346 1,150.177 1,077.725 970.298 
MAE 1,014.372 1,026.436 1,026.329 1,016.723 955.191 838.18 
Station Can Tho 
R 0.58 0.623 0.635 0.63 0.675 0.649 
RMSE 3,619.059 3,424.806 3,370.358 3,392.235 3,181.232 3,305.287 
MAE 2,742.88 2,552.046 2,572.373 2,551.126 2,445.713 2,355.786 
ARIMA 
Station Chau Doc 
R 0.724 0.746 0.752 0. 658 0.608 0.673 
RMSE 1,214.163 1,164.335 1,151.102 1,352.029 1,446.547 1,322.157 
MAE 1,079.491 1,034.709 1,028.007 1,200.062 1,293.49 1,162.63 
Station Can Tho 
R 0.518 0.566 0.576 0.584 0.581 0.625 
RMSE 3,876.193 3,676.701 3,633.099 3,597.69 3,608.899 3,417.165 
MAE 2,991.4 2,744.319 2,729.966 2,718.979 2,788.73 2,451.029 
CombinationC1C2C3C4C5C6
ANN 
Station Chau Doc 
R 0.925 0.954 0.929 0.921 0.941 0.93 
RMSE 631.836 495.265 614.069 650.265 559.747 610.255 
MAE 527.141 402.819 518.852 557.982 460.525 491.862 
Station Can Tho 
R 0.807 0.793 0.8 0.805 0.869 0.788 
RMSE 2,450.187 2,538.106 2,493.204 2,467.135 2,014.845 2,567.692 
MAE 1,717.062 1,824.27 1,849.792 1,689.624 1,525.442 1,655.324 
GA-SA 
Station Chau Doc 
R 0.88 0.893 0.899 0.869 0.885 0.895 
RMSE 800.205 756.104 734.565 835.735 783.534 749.035 
MAE 693.561 659.242 640.103 729.406 687.416 627.801 
Station Can Tho      
R 0.618 0.665 0.697 0.646 0.689 0.668 
RMSE 3,452.377 3,231.273 3,070.225 3,321.072 3,109.263 3,215.501 
MAE 2,657.278 2,192.053 2,211.622 2,493.402 2,399.565 2,277.55 
SARIMA 
Station Chau Doc 
R 0.757 0.75 0.753 0.752 0.783 0.824 
RMSE 1,140.072 1,154.929 1,149.346 1,150.177 1,077.725 970.298 
MAE 1,014.372 1,026.436 1,026.329 1,016.723 955.191 838.18 
Station Can Tho 
R 0.58 0.623 0.635 0.63 0.675 0.649 
RMSE 3,619.059 3,424.806 3,370.358 3,392.235 3,181.232 3,305.287 
MAE 2,742.88 2,552.046 2,572.373 2,551.126 2,445.713 2,355.786 
ARIMA 
Station Chau Doc 
R 0.724 0.746 0.752 0. 658 0.608 0.673 
RMSE 1,214.163 1,164.335 1,151.102 1,352.029 1,446.547 1,322.157 
MAE 1,079.491 1,034.709 1,028.007 1,200.062 1,293.49 1,162.63 
Station Can Tho 
R 0.518 0.566 0.576 0.584 0.581 0.625 
RMSE 3,876.193 3,676.701 3,633.099 3,597.69 3,608.899 3,417.165 
MAE 2,991.4 2,744.319 2,729.966 2,718.979 2,788.73 2,451.029 
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