Table 2 Comparison of test set prediction performance between models using augmented and original data
Model | R2 | Predicted errors (%) |
|---|---|---|
Augmented data (strength) | 0.96 | 6 |
Original data (strength) | 0.95 | 6 |
Augmented data (conductivity) | 0.90 | 8 |
Original data (conductivity) | 0.88 | 11 |
Augmented data (stress relaxation rate) | 0.86 | 9 |
Original data (stress relaxation rate) | 0.20 | 39 |
