Table 4.

RMSE values for model predictions from 10-fold internal cross-validation of IR and DR models.

Model	Fold 1	Fold 2	Fold 3	Fold 4	Fold 5	Fold 6	Fold 7	Fold 8	Fold 9	Fold 10
IR	38.37	38.25	40.86	41.99	36.60	42.13	38.89	36.33	37.51	38.18
DR	37.57	37.60	39.62	40.95	36.38	40.67	38.18	37.56	37.63	39.45