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Table 9.

Confusion matrix and metrics of the classification with six classes, applied to the reference sample of 4XMM-DR10.

Truth → AGN Star V/Y* CV gXB eXB
→ AGN 18234 9 2 147 11 18
→ Star 12 4605 137 5 2 2
→ V/Y* 1 45 53 3 0 0
→ CV 1 0 1 85 6 0
→ gXB 2 0 1 2 55 0
→ eXB 61 0 0 8 0 429
Total 18311 4659 194 250 75 449
Total cl. 18421 4659 101 60 487 99

recall 99.6 98.8 27.3 34.0 73.3 95.5
precision 97.6 93.6 68.6 87.9 95.6 95.3
f1 score .986 .961 .391 .490 .830 .954

Notes. The first six rows show the number counts of objects classified as AGN, normal stars, variable or young stars, CVs, galactic XRBs, and extragalactic XRBs, respectively. The last three rows give the recall rate, the true positive rate (precision), and the f1 score associated with each class.

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