Table 2. Main assessment index of each OPLS-DA model.
| Model | Orthogonal component | Predictive component | R2Y (cum) | Q2Y (cum) | Intercept of R2 | Intercept of Q2 |
|---|---|---|---|---|---|---|
| Chemotype I against the other types | 1 | 2 | 0.904 | 0.878 | 0.231 | −0.361 |
| Chemotype II against the other types | 1 | 4 | 0.908 | 0.818 | 0.451 | −0.619 |
| Chemotype III against the other types | 1 | 3 | 0.914 | 0.861 | 0.326 | −0.424 |
| Chemotype IV against the other types | 1 | 5 | 0.920 | 0.808 | 0.513 | −0.673 |