Training Size (%)

MSE

RMSE

MAE

R²

60

3.629

1.905

1.435

0.978

66

3.098

1.760

1.283

0.826

70

2.643

1.626

1.171

0.852

75

2.992

1.730

1.259

0.835

80

3.014

1.736

1.257

0.835