Table 1.
Statistical Parameters | ESI(+) Models | ESI(−) Models | ||||
---|---|---|---|---|---|---|
PCA | PLS-DA | OPLS-DA | PCA | PLS-DA | OPLS-DA | |
R2X (cum) | 0.816 | 0.578 | 0.579 | 0.89 | 0.709 | 0.709 |
R2Y (cum) | - | 0.942 | 0.942 | - | 0.967 | 0.967 |
Q2 (cum) | 0.663 | 0.916 | 0.917 | 0.778 | 0.944 | 0.956 |
Principal components analysis (PCA), partial least squares discriminant analysis (PLS-DA) and orthogonal partial least squares discriminant analysis (OPLS-DA).