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Table 1

Optimal set of features and associated importance for the classifier separating pulsar-like and blazar-like γ-ray sources.

Feature Importance Description
SigCombined 0.276 3 log LP_SigCurv(a) − log Variability_Index(a)
ModSigCurv 0.176 3 log LP_SigCurv(a) − 2 log Signif_Avg(a)
LP_beta(a) 0.128
LP_SigCurv(a) 0.109
K24 0.079
Frac_Variability(a) 0.051
HR34 0.038
SymLat 0.033 Symmetric Galactic latitude, i.e., |b|
EFluxErr 0.032 log Unc_Energy_Flux100(a) − 0.4 log Energy_Flux100(a)
Variability_Index(a) 0.031
HR 4 5 0.024
PL_Index(a) 0.021

Notes. See Appendix A for the reasoning behind the definition of the compound features. (a)Catalog column (see Abdollahi et al. 2022).

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