Table 7 The models’ scores.

From: Assessment of resilient modulus of soil using hybrid extreme gradient boosting models

Model

MAE

RMSE

R2

RPD

MAPE

Total

ELM

4

4

4

4

2

18

KNN

2

2

2

2

3

11

SVM

7

6

6

6

7

32

LSSVM

5

5

5

5

6

26

XGBOOST

9

9

9

9

8

44

RF

8

7

7

7

9

38

RBFNN

3

3

3

3

1

13

BPNN

6

8

8

8

5

35

GRNN

1

1

1

1

4

8

BKA-XGOOST

10

10

10

10

10

50