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Table 1.
Performance metrics derived from applying the random forest model to the test dataset of 1.55 million spectroscopically confirmed sources.
| Features | Precision |
Recall |
F1 score |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Galaxy | Quasar | Star | Galaxy | Quasar | Star | Galaxy | Quasar | Star | |
| SDSS + WISE + resolvedr | 0.987 | 0.961 | 0.991 | 0.995 | 0.944 | 0.965 | 0.991 | 0.952 | 0.978 |
| SDSS + WISE | 0.981 | 0.957 | 0.989 | 0.993 | 0.929 | 0.958 | 0.987 | 0.943 | 0.973 |
| SDSS | 0.956 | 0.905 | 0.958 | 0.980 | 0.865 | 0.888 | 0.968 | 0.885 | 0.922 |
| SDSS + resolvedr | 0.981 | 0.948 | 0.979 | 0.993 | 0.924 | 0.945 | 0.987 | 0.936 | 0.962 |
| WISE | 0.880 | 0.886 | 0.711 | 0.954 | 0.862 | 0.466 | 0.915 | 0.874 | 0.563 |
Notes. SDSS PSF magnitudes are in bands u, g, r, i, z, WISE magnitudes are in bands w1, w2, w3, w4.
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