Quantitative visualization of photosynthetic pigments in tea leaves based on Raman spectroscopy and calibration model transfer

Table 3 PLSR modeling results based on characteristic band

	Model	Number of characteristic bands	Pretreatment	Calibration		Validation		Prediction
	Model	Number of characteristic bands	Pretreatment	RMSE_C	R²_C	RMSE_CV	R²_CV	RMSE_P	R²_P
Car	19	40	RCF	0.109	0.739	0.124	0.669	0.101	0.769
Car	20	40	WT	0.125	0.702	0.133	0.661	0.123	0.706
Chl-a	21	37	RCF	0.586	0.793	0.623	0.767	0.517	0.852
Chl-a	22	37	WT	0.603	0.782	0.777	0.753	0.623	0.835
Chl-b	23	32	RCF	0.298	0.769	0.320	0.735	0.326	0.744
Chl-b	24	32	WT	0.343	0.746	0.443	0.708	0.389	0.726

ISSN: 1746-4811