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Table 1.
Train and test subsets of the KiDSxSDSS data.
| Size | Quasar | Galaxy | Star | ||
|---|---|---|---|---|---|
| Train | r < 21.3 | 105k | 11k (11%) | 71k (68%) | 23k (22%) |
| Test random | r < 21.3 | 13k | 1.5k (12%) | 8.8k (67%) | 2.8k (21%) |
| Test faint | 21.3 < r < 22 | 13k | 3.3k (25%) | 7.2k (55%) | 2.6k (20%) |
Notes. We selected the faintest 10% of the data as the faint extrapolation test. This splits the training data at r = 21.3. We used the same amount of objects at r < 21.3 as in the faint-end for the random test.
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