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Table 4.
Comparison of bias and σ of metallicity and age obtained using RF and Bayesian approach.
| RF | Bayesian | |||
|---|---|---|---|---|
| log Z/Z⊙ | Bias | σ | Bias | σ |
| −1.17 | 0.13 | 0.37 | 0.07 | 0.35 |
| −0.67 | 0.10 | 0.29 | 0.07 | 0.27 |
| −0.40 | 0.07 | 0.35 | 0.06 | 0.34 |
| −0.05 | 0.00 | 0.32 | 0.05 | 0.32 |
| 0.22 | −0.08 | 0.24 | 0.04 | 0.23 |
| 0.38 | −0.19 | 0.23 | −0.14 | 0.20 |
| Ageu(Gyr) | Bias | σ | Bias | σ |
| 0.09 | 0.02 | 0.03 | 0.02 | 0.03 |
| 0.30 | 0.00 | 0.11 | −0.01 | 0.10 |
| 0.61 | −0.03 | 0.20 | −0.04 | 0.19 |
| 1.37 | −0.07 | 0.52 | −0.04 | 0.47 |
| 4.19 | −0.23 | 1.34 | −0.25 | 1.24 |
| 7.94 | −2.55 | 1.35 | −2.37 | 1.27 |
Notes. Top and bottom rows tabulates the bias and σ for metallicity and age across different bins.
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