Table 3.
Performance metrics of the final multiple linear regression model predicting the quantum yield of photosystem II (ΦPSII).
| Datasets | RMSE | R2 | MAE |
|---|---|---|---|
| Training | 0.083 | 0.56 | 0.067 |
| Testing | 0.080 | 0.60 | 0.065 |
Values represent root mean square error (RMSE), coefficient of determination (R2), and mean absolute error (MAE) for both training and testing datasets.