Rapid Quality Assessment of Polygoni Multiflori Radix Based on Near-Infrared Spectroscopy

Table 2

Qualitative results of the classification of the sample set of the model.

Ingredients	Calibration set		Prediction set
	Number of samples	Range (%)	Number of samples	Range (%)
Moisture	100	4.5–13.0	38	7.5–13.0
Stilbene glycosides	102	0.02–4.75	34	0.08–4.00
Anthraquinone glycosides	102	0.00–0.40	34	0.00–0.36