Open Access
Table 2.
Statistics for various training configurations on the DDF survey (first part) and the WFD survey (second part), with BDTs results in parentheses.
| Total (LC) | Training database | Test database | Accuracy | RecallIa | RecallIa | AUC | |
|---|---|---|---|---|---|---|---|
| (Spec. only) | (Phot. only) | PrecisionIa > 0.95 | PrecisionIa > 0.98 | ||||
| LSST DDF | 2000 | 500 | 1500 | 0.895 | 0.769 | 0.602 | 0.966 |
| (0.795) | (0.382) | (0.183) | (0.885) | ||||
| 1000 | 1000 | 0.917 | 0.827 | 0.687 | 0.973 | ||
| (0.888) | (0.505) | (0.353) | (0.898) | ||||
| 4000 | 1000 | 3000 | 0.928 | 0.890 | 0.764 | 0.979 | |
| (0.850) | (0.490) | (0.246) | (0.895) | ||||
| 2000 | 2000 | 0.938 | 0.927 | 0.806 | 0.984 | ||
| (0.813) | (0.594) | (0.256) | (0.905) | ||||
| 10 000 | 2000 | 8000 | 0.946 | 0.944 | 0.886 | 0.989 | |
| (0.796) | (0.496) | (0.284) | (0.891) | ||||
| 3000 | 7000 | 0.950 | 0.950 | 0.903 | 0.990 | ||
| (0.809) | (0.548) | (0.285) | (0.905) | ||||
| 5000 | 5000 | 0.971 | 0.981 | 0.959 | 0.996 | ||
| (0.818) | (0.510) | (0.315) | (0.910) | ||||
| 24 000 | 2000 | 22 000 | 0.942 | 0.940 | 0.874 | 0.986 | |
| (0.792) | (0.477) | (0.209) | (0.890) | ||||
| 3000 | 21 000 | 0.945 | 0.937 | 0.891 | 0.986 | ||
| (0.797) | (0.474) | (0.254) | (0.892) | ||||
| 5000 | 19 000 | 0.968 | 0.978 | 0.957 | 0.996 | ||
| (0.805) | (0.485) | (0.228) | (0.898) | ||||
| 10 000 | 14 000 | 0.971 | 0.983 | 0.965 | 0.997 | ||
| (0.790) | (0.465) | (0.260) | (0.888) | ||||
| LSST WFD | 17 000 | DDF Spec : 2,000 | WFD : 15 000 | 0.965 | 0.982 | 0.905 | 0.992 |
| (0.620) | (0.041) | (0.008) | (0.703) | ||||
| 43 000 | DDF Spec : 3000 | WFD : 40 000 | 0.976 | 0.995 | 0.964 | 0.996 | |
| (0.623) | (0.018) | (0.000) | (0.711) | ||||
| 90 000 | DDF Spec : 10 000 | WFD : 80 000 | 0.978 | 0.995 | 0.973 | 0.997 | |
| (0.620) | (0.046) | (0.000) | (0.709) | ||||
Notes. The different metrics are defined in Sect. 7.1.
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