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Table B.1.
Accuracy scores (as defined in Sect. 3.3) for the three target galaxy properties (Σ⋆, Z⋆, and t⋆) inferred using the four Euclid surface brightnesses for the training and test sets with the RF ML algorithm.
| Train | Test | Diff. (%) | |
|---|---|---|---|
| Target | R2 | ||
| Σ⋆ / (M⊙ pc−2) | 0.937 | 0.927 | 1 |
| Z⋆ | 0.606 | 0.592 | 2.4 |
| t⋆ / Gyr | 0.419 | 0.382 | 9.7 |
| Target | RMSE | ||
| Σ⋆ / (M⊙ pc−2) | 0.1219 | 0.1308 | 6.8 |
| Z⋆ | 0.0805 | 0.0765 | 5.2 |
| t⋆ / Gyr | 0.1279 | 0.1285 | 9.7 |
| Target | ρ | ||
| Σ⋆ / (M⊙ pc−2) | 0.968 | 0.963 | 0.5 |
| Z⋆ | 0.778 | 0.771 | 0.9 |
| t⋆ / Gyr | 0.647 | 0.622 | 4 |
Notes. Left to right: targets; coefficient of determination (R2); root-mean-square error (RMSE); Pearson ρ coefficient.
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