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. 2018 Dec 27;24(1):82. doi: 10.3390/molecules24010082

Table 1.

Parameters of PCA and OPLS-DA models.

No. Model ESI+ ESI−
R2X R2Y Q2 R2X R2Y Q2
M1 PCA 0.731 - 0.423 0.706 - 0.403
M2 OPLS-DA 0.772 0.994 0.957 0.569 0.956 0.864
M3 OPLS-DA 0.687 0.998 0.880 0.616 0.843 0.734

Note: M1 on behalf of the PCA model of metabolic profiling of NC, ABS, and EZ groups; M2 on behalf of the OPLS-DA model of metabolic profiling of NC and ABS groups; M3 on behalf of the OPLS-DA model result of metabolic profiling of ABS and EZ groups.