. 2020 Apr 14;19(5):2053–2070. doi: 10.1021/acs.jproteome.9b00868

Table 2. Model Fit, Prediction Accuracy, and Technique-Dependent Contribution Values to the Separation Observed in the Different cOPLS-DA Models^a.

model	R²Y	Q²Y	A	GC-QTOF/MS	CE-TOF/MS	LC-QTOF/MS⁺	LC-QTOF/MS^–
Mtb⁺9w/Mtb⁺4w/Mtb^–	0.976	0.886	tp1	0.23	0.30	0.22	0.26
			tp2	0.25	0.19	0.27	0.29
			to	0.26	0.20	0.34	0.20
Mtb⁺4w/Mtb^–	0.999	0.919	tp1	0.25	0.23	0.25	0.27
			to	0.27	0.27	0.26	0.20
Mtb⁺9w/Mtb^–	0.994	0.936	tp1	0.22	0.28	0.24	0.26
			to	0.19	0.15	0.43	0.23
Mtb⁺9w/Mtb⁺4w	0.995	0.885	tp1	0.23	0.26	0.23	0.28
			to	0.23	0.23	0.30	0.24

R²Y, model fit; Q2Y, predictive accuracy; tp, predictive principal component; to, orthogonal principal component.

Table 2. Model Fit, Prediction Accuracy, and Technique-Dependent Contribution Values to the Separation Observed in the Different cOPLS-DA Modelsa.