Open Access
Table A.1
Confusion matrix, precision, and recall for the direct selection method (Sect. 5.3).
| Predicted class: | |||||||
|---|---|---|---|---|---|---|---|
| Confusion matrix: | Galaxy | QSOhighZ | QSOlowZ | Star | other | TOTAL | |
| True class: | Galaxy | 26399 | 1 | 282 | 3428 | 6 | 30116 |
| QSOhighZ | 0 | 218 | 129 | 35 | 0 | 382 | |
| QSOlowZ | 516 | 82 | 2571 | 79 | 6 | 3254 | |
| Star | 84 | 8 | 22 | 5597069 | 0 | 5597183 | |
| other | 408 | 1 | 15 | 5 | 5 | 434 | |
| TOTAL | 27407 | 310 | 3019 | 5600616 | 17 | 5631369 | |
| True class: | Precision: | Galaxy | QSOhighZ | QSOlowZ | Star | other | |
| Galaxy | 96.3% | 0.3% | 9.3% | 0.1% | 35.3% | ||
| QSOhighZ | 0.0% | 70.3% | 4.3% | 0.0% | 0.0% | ||
| QSOlowZ | 1.9% | 26.5% | 85.2% | 0.0% | 35.3% | ||
| Star | 0.3% | 2.6% | 0.7% | 99.9% | 0.0% | ||
| other | 1.5% | 0.3% | 0.5% | 0.0% | 29.4% | ||
| TOTAL | 100% | 100% | 100% | 100% | 100% | ||
| True class: | Recall: | Galaxy | QSOhighZ | QSOlowZ | Star | other | TOTAL |
| Galaxy | 87.7% | 0.0% | 0.9% | 11.4% | 0.0% | 100% | |
| QSOhighZ | 0.0% | 57.1% | 33.8% | 9.2% | 0.0% | 100% | |
| QSOlowZ | 15.9% | 2.5% | 79.0% | 2.4% | 0.2% | 100% | |
| Star | 0.0% | 0.0% | 0.0% | 100.0% | 0.0% | 100% | |
| other | 94.0% | 0.2% | 3.5% | 1.2% | 1.2% | 100% | |
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