Rapid Determination of Pachymic Acid Content by Near-Infrared Spectroscopy

Table 4

The results for the data preprocessing methods.

Methods		RMSEC (mg/g)	RMSEP (mg/g)
MSC	0.209	0.156	0.163
SNV	0.208	0.156	0.164
FD	0.504	0.124	0.129
SD	0.922	0.049	0.052
MSC + SD	0.915	0.051	0.054
SNV + SD	0.915	0.051	0.054
MSC + FD	0.582	0.113	0.120
SNV + FD	0.590	0.112	0.118