Table 5 Performance of the hybrid MVMD based L-SKRidge, dRVFL, LASSO, KRidge, and CFNN models based on assessment metrics in Brooke River.

From: A hybrid framework: singular value decomposition and kernel ridge regression optimized using mathematical-based fine-tuning for enhancing river water level forecasting

 

Methods

Mode

R

RMSE

MAPE

NSE

IA

MaxAE

U95%

WL (t + 1)

L-SKRidge

Train

0.971

0.054

7.371

0.940

0.984

0.484

0.148

Test

0.970

0.051

6.309

0.937

0.982

0.411

0.142

dRVFL

Train

0.951

0.068

8.532

0.905

0.975

0.938

0.188

Test

0.963

0.066

7.860

0.896

0.968

0.469

0.176

LASSO

Train

0.948

0.070

8.553

0.899

0.973

0.961

0.194

Test

0.960

0.066

8.022

0.895

0.968

0.465

0.178

KRidge

Train

0.951

0.072

10.631

0.893

0.971

0.925

0.194

Test

0.963

0.061

8.362

0.909

0.972

0.435

0.170

CFNN

Train

0.964

0.059

8.123

0.928

0.981

0.856

0.163

Test

0.955

0.062

8.527

0.907

0.973

0.380

0.172

WL (t + 3)

L-SKRidge

Train

0.967

0.056

7.019

0.935

0.983

0.355

0.156

Test

0.928

0.079

8.664

0.849

0.957

0.535

0.215

dRVFL

Train

0.916

0.089

11.357

0.838

0.954

1.109

0.245

Test

0.912

0.088

10.735

0.813

0.942

0.692

0.240

LASSO

Train

0.912

0.090

11.648

0.831

0.952

1.128

0.251

Test

0.915

0.086

10.445

0.820

0.944

0.706

0.236

KRidge

Train

0.914

0.093

13.404

0.823

0.950

1.094

0.253

Test

0.916

0.084

10.943

0.831

0.948

0.675

0.232

CFNN

Train

0.932

0.081

10.000

0.864

0.964

1.068

0.224

Test

0.882

0.096

11.026

0.776

0.935

0.636

0.266