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. 2023 Oct 19;23(20):8585. doi: 10.3390/s23208585

Table 3.

Outlier rejection analysis.

Pretreatment Method	Pretreatment Method	Forecasting Method	Wavelength (nm)	Training Set		Prediction Set
Pretreatment Method	Pretreatment Method	Forecasting Method	Wavelength (nm)	RMSE_c	R_c²	RMSE_p	R_p²
Non	1	ETR	All	0.1665	0.9978	1.6408	0.7558
		RFR		0.8736	0.9394	1.3456	0.8358
		BAR		1.1249	0.8996	1.3799	0.8273
MSC	1	ETR	515 All	0.1665	0.9978	1.6408	0.7558
		RFR		0.8736	0.9394	1.3467	0.8355
		BAR		1.1249	0.8996	1.3858	0.8258
SNV	1	ETR	515 All	0.1665	0.9978	1.6408	0.7558
		RFR		0.8736	0.9394	1.3456	0.8358
		BAR		1.1249	0.8996	1.3799	0.8273
DWT	1	ETR	590	0.0904	0.9993	2.1442	0.6252
		RFR		0.9712	0.9222	1.8656	0.7162
		BAR		1.1681	0.8874	1.9453	0.6915
SG	1	ETR	515	0.1665	0.9978	1.6408	0.7558
		RFR		0.8736	0.9394	1.3456	0.8358
		BAR		1.1249	0.8996	1.3799	0.8273
MinMax	1	ETR	515	0.1665	0.9978	1.6408	0.7558
		RFR		0.8736	0.9394	1.3461	0.8356
		BAR		1.1249	0.8996	1.3858	0.8258
OD	1	ETR	515 All 555	0.5161	0.9719	1.9488	0.6732
		RFR		0.7140	0.9462	1.7327	0.7417
		BAR		0.9447	0.9059	1.9373	0.6771
PBOR	1	ETR	555 All 515	0.4962	0.9815	1.4004	0.8148
		RFR		0.8721	0.9429	1.1810	0.8683
		BAR		1.0745	0.9133	1.4931	0.7895
CR	1	ETR	515 All All	0.1665	0.9978	1.6408	0.7558
		RFR		0.8736	0.9394	1.3467	0.8355
		BAR		1.1249	0.8996	1.3858	0.8258