Open Access
Table 4.
Summary of the performance of the CNN at identifying lens candidates regardless of deflector type.
| Grade | Mag. bin | Candidates | Candidates | Completeness | Purity of the | Prevalence in | Ratio of CNN-purity |
|---|---|---|---|---|---|---|---|
| found | expected | CNN sample | parent sample | to base prevalence | |||
| A + B | 17 to 18 | 4 | 55 | 7% | 7.7 × 10−3 | 1.7 × 10−4 | 46.2 |
| A + B | 18 to 19 | 13 | 100 | 13% | 3.5 × 10−3 | 1.0 × 10−4 | 34.8 |
| A + B | 19 to 20 | 21 | 380 | 6% | 2.3 × 10−3 | 1.3 × 10−4 | 17.0 |
| A + B | 20 to 20.5 | 8 | 187 | 4% | 2.0 × 10−3 | 6.7 × 10−5 | 29.9 |
| C | 17 to 18 | 9 | 120 | 8% | 1.7 × 10−2 | 3.7 × 10−4 | 47.3 |
| C | 18 to 19 | 22 | 200 | 11% | 5.9 × 10−3 | 2.0 × 10−4 | 29.4 |
| C | 19 to 20 | 12 | 190 | 6% | 1.3 × 10−3 | 6.7 × 10−5 | 19.5 |
| C | 20 to 20.5 | 1 | 374 | 0% | 2.5 × 10−4 | 1.3 × 10−4 | 1.9 |
Notes. Table follows the layout of Table 3.
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