Open Access
Table 2
Performance metrics for the RF classifier on the validation sample for a different combination of features.
| Features | Class | Precision | Recall | F1 score | N objects |
|---|---|---|---|---|---|
| % | % | % | |||
| Reference set | Galaxies | 97.8 | 99.1 | 98.5 | 3109 |
| Stars | 97.6 | 94.3 | 95.9 | 1199 | |
| Accuracy = 97.8% | |||||
| No refExtendness | Galaxies | 96.8 | 98.5 | 97.7 | 3109 |
| Stars | 96.0 | 91.7 | 93.8 | 1199 | |
| Accuracy = 96.6% | |||||
| Ref. Set + Phot. Err. | Galaxies | 98.2 | 99.5 | 98.8 | 3109 |
| Stars | 98.6 | 95.2 | 96.9 | 1199 | |
| Accuracy = 98.3% | |||||
| No u-band | Galaxies | 97.1 | 98.9 | 97.9 | 3271 |
| Stars | 96.8 | 92.5 | 94.6 | 1291 | |
| Accuracy = 97.0% | |||||
| No y-band | Galaxies | 97.5 | 98.7 | 98.1 | 3202 |
| Stars | 96.3 | 93.1 | 94.5 | 1182 | |
| Accuracy = 97.2% | |||||
| Phot. Err. – No refExt. | Galaxies | 97.3 | 99.0 | 98.1 | 3109 |
| Stars | 97.2 | 92.9 | 95.0 | 1199 | |
| Accuracy = 97.3% | |||||
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