. 2019 Jul 6;24(13):2480. doi: 10.3390/molecules24132480

Table 3.

Parameters of the established partial least squares regression PLSR models.

Reference Analysis	Ph. Eur.		FC		UHPLC
Samples	90		90		90
Outliers	0		0		0
	CV	TSV	CV	TSV	CV	TSV
R²_calibration	0.95	0.95	0.97	0.97	0.94	0.95
R²_validation	0.94	0.94	0.96	0.96	0.94	0.93
RMSEC ^(a)	1425 *	1308 *	0.14 **	0.13 **	0.11 ***	0.09 ***
RMSECV ^(b) or RMSEP ^(c)	1527 *	1632 *	0.16 **	0.18 **	0.12 ***	0.13 ***
Factor	3	4	3	4	4	4
Calibration range	1975–25378 *		0.494–3.660 **		−1.810 ***

* THCD mg/kg, ** GAE%, *** RA%, ^(a) root mean square error of calibration, ^(b) root mean square error of cross validation, ^(c) root mean square error of prediction.