Chemical Fingerprint Analysis for Discovering Markers and Identifying Saussurea involucrata by HPLC Coupled with OPLS-DA

Table 3

The quality values of R and Q coefficients.

Common pattern	Saussurea involucrata (n = 43) vs. adulterants (n = 21)				Saussurea involucrata (n = 43) vs. Saussurea orgaadayi (n = 8)				Haplotype I (n = 17) vs. II (n = 17) of Saussurea involucrata
		R ^2 X	R ^2 Y	Q ^2		R ^2 X	R ^2 Y	Q ^2		R ^2 X	R ^2 Y	Q ^2
Upper quartile	A1	0.361	0.843	0.779	B1	0.499	0.766	0.546	C1	0.316	0.586	0.251
Median	A2	0.489	0.849	0.781	B2	0.482	0.772	0.412	C2	0.621	0.870	0.740