Table 6 MSE and R2 value by linear regression, XG boost model and random forest model for Ni-G-MA after data augmentation.
Model | MSE (testing) | R2 (testing) | MSE (training) | R2 (training) |
|---|---|---|---|---|
Linear regression | 0.1582 | 0.9933 | 0.3768 | 0.9769 |
Random forest | 1.3125 | 0.9444 | 0.2346 | 0.9856 |
XG boost | 1.4085 | 0.9403 | 0.000779 | 0.9999 |