SSE

R-square

Adjusted R-square

RMSE

$A_1\left(u\right)$

0.001606

0.9986

0.9984

0.01636

$A_2\left(u\right)$

0.002517

0.9978

0.9974

0.02048

$B_1\left(u\right)$

0.0137

0.9863

0.984

0.04779

$B_2\left(u\right)$

0.01797

0.9821

0.9791

0.05473