Rapid Recognition of Geoherbalism and Authenticity of a Chinese Herb by Data Fusion of Near-Infrared Spectroscopy (NIR) and Mid-Infrared (MIR) Spectroscopy Combined with Chemometrics

Table 1

A detailed list for the training set and the prediction set of five different kinds of Angelica dahurica samples.

Groups code	f1	f2	f3	f4	f5
Sample group	1	2	3	4	5
Symbol	·	○	×	＋	∗
PCA, LDA, or PLSDA training set	1st–37th	38th–73rd	74th–105th	106th–138th	139th–171st
PCA, LDA, or PLSDA prediction set	1st–13th	14th–27th	28th–45th	46th–62nd	63rd–79th