Table 2 Error metrics on the test dataset for each output quantity
Output | MAE | RMSE | Rel. Error (%) | \(R^2\) |
|---|---|---|---|---|
T (\(^{\circ }\)C) | 1.786 | 2.341 | 1.418 | 0.961 |
\(a_{11}\) | \(1.09\times 10^{-2}\) | \(1.39\times 10^{-2}\) | 2.747 | 0.946 |
\(a_{22}\) | \(1.04\times 10^{-2}\) | \(1.36\times 10^{-2}\) | 1.583 | 0.917 |
\(a_{33}\) | \(7.43\times 10^{-3}\) | \(1.06\times 10^{-2}\) | 3.202 | 0.984 |
\(a_{12}\) | \(7.23\times 10^{-3}\) | \(9.59\times 10^{-3}\) | 7.219 | 0.924 |
\(a_{13}\) | \(5.65\times 10^{-3}\) | \(7.89\times 10^{-3}\) | 30.706 | 0.931 |
\(a_{23}\) | \(4.16\times 10^{-3}\) | \(5.34\times 10^{-3}\) | 3.351 | 0.812 |
\(E_x\) (GPa) | 1.006 | 1.358 | 3.786 | 0.988 |
\(E_y\) (GPa) | 1.175 | 1.714 | 6.816 | 0.930 |
\(G_{xy}\) (GPa) | 0.332 | 0.463 | 5.314 | 0.888 |