Open Access
Table 4
Confusion matrix on the test set predictions using an XGBoost classifier trained on Feature Set 4.
| Predicted | |||||||
|---|---|---|---|---|---|---|---|
| Star | Quasar | Galaxy | Star | Quasar | Galaxy | ||
| Actual | Star | 887262 | 5127 | 7611 | 199119.6 | 100.6979 | 181.4556 |
| Quasar | 3529 | 195980 | 491 | 133.8076 | 65.5892 | 0.0050 | |
| Galaxy | 2076 | 820 | 367104 | 213.3360 | 0.0260 | 185.4417 | |
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