Model

Variable

β₀⁽¹⁾

β₁⁽²⁾

R²

MAE

RMSE

d

Linear

L

0.1353^ns

0.9315*

0.9125

8.3482

10.4170

0.9718

Linear

W

−2.5234^ns

1.0071^ns

0.9184

7.0333

9.0634

0.9770

Linear

LW

0.0443^ns

0.9963^ns

0.9938

1.8806

2.4475

0.9984

Quadratic

L

2.2029^ns

0.9213*

0.9216

7.2919

9.4981

0.9769

Quadratic

W

−3.2847^ns

1.0389^ns

0.9324

6.0627

8.1441

0.9810

Quadratic

LW

0.2068^ns

0.9933^ns

0.9938

1.8823

2.4448

0.9984

Power

L

2.1869^ns

0.9218*

0.9215

7.2941

9.4895

0.9769

Power

W

−5.3833*

1.0684*

0.9339

6.2172

8.2288

0.9801

Power

LW

0.0796^ns

0.9948^ns

0.9938

1.8785

2.4438

0.9984