Table 5.

Comparison of the prediction and cross validation performance of the KPCA-LDA-XGB model and the traditional integrated models.

Model	RP	RMSEP	RCV	RMSECV
XGBoost	0.462	0.164	0.214	0.186
KPCA-XGB	0.681	0.139	0.589	0.155
LDA-XGB	0.608	0.147	0.655	0.144
KPCA-LDA-XGB	0.829	0.107	0.739	0.128