Quantitative Analysis of Panax ginseng by FT-NIR Spectroscopy

Table 4

Optimization of spectra processing in carlibration models.

Preprocessing	RMSEP	RMSEC	𝑅^2
MSC + SG	0.254	0.302	0.656
MSC + SG + 1st derivative	0.266	0.186	0.886
MSC + SG + 2nd derivative	0.159	0.083	0.963
MSC + ND + 1st derivative	0.252	0.269	0.739
MSC + ND + 2nd derivative	0.403	0.124	0.852