Table 4 Average difference of predicted responses and observed responses in each test set for each model

1

12.72

12.089

12.089

10.9955

11.972

2

14.6231

14.972

14.972

13.635

14.2868

3

12.8561

12.6299

12.6299

11.5313

12.1758

4

15.1355

14.5171

14.5171

15.3884

14.8151

5

13.0635

12.3538

12.3538

13.8607

12.8326

6

14.6371

13.954

13.954

13.9972

13.9497

7

15.2913

14.5146

14.5146

14.8474

14.132

8

14.4245

14.0604

14.3823

13.9682

13.9149

9

12.1609

11.7033

11.7033

12.918

12.0041

10

14.4008

13.6742

13.6742

14.2981

13.9341

Mean

13.9313

13.4468

13.479

13.544

13.4017