Application of Near-Infrared Spectroscopy to Rapidly Classify the Chinese Quince Fruits from Different Habitats

Table 2

Results of the classification of Chinese quince fruits from six different habitats using the PLS-DA full-wavelength and variable selection methods, respectively.

Model	Calibration		Validation		Variables	PLS factors
	Accuracy	Error	Accuracy	Error
PLS-DA	0.91	0.09	0.95	0.05	256	8
PLS-DA-SwPA	0.91	0.09	0.93	0.07	210	8
PLS-DA-IPW	0.91	0.09	0.93	0.07	106	5
PLS-DA-BVE	0.89	0.11	0.93	0.07	101	10
PLS-DA-GA	0.91	0.09	0.95	0.05	242	8
PLS-DA-UVE	0.93	0.07	0.98	0.02	70	7