Model 1

Model 2

Model 3

Model 4

Model 5

Model 6

Model 7

Model 8

Model 9

r²

0.630

0.545

0.099

0.529

0.537

0.274

0.697

0.561

0.586

adjusted r²

0.325

0.533

0.018

0.374

0.524

−0.472

0.386

0.522

0.549

RMSE

4.855

3.810

4.920

6.230

5.091

8.790

10.010

8.430

9.480

MSE

23.572

14.500

24.230

38.818

25.923

77.290

100.260

71.010

89.970