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

Table 1.

Original spectrum and SPAD analysis.

Forecasting Method	Wavelength (nm)	Training Set		Prediction Set
Forecasting Method	Wavelength (nm)	RMSE_c	R_c²	RMSE_p	R_p²
LR	590	1.9273	0.6987	2.0030	0.6691
KNN	515	1.5182	0.8130	1.6608	0.7792
SVR	515	1.8824	0.7126	1.8471	0.7269
RR	590	1.9273	0.6987	2.0330	0.6691
Lasso	590	1.9273	0.6987	2.0330	0.6691
DTR	515	0.3429	0.9905	1.7449	0.7563
ETR	515	0.3429	0.9905	1.5670	0.8035
RFR	515	0.7062	0.9595	1.5798	0.8002
ABR	515	1.1206	0.8981	1.6480	0.7826
GBR	515	0.4692	0.9821	1.6986	0.7690
BAR	515	0.8010	0.9480	1.5777	0.8008
PLSR	590	1.9273	0.6987	2.0330	0.6691