Flowchart of the matching processes and sample selections (see details in Sect. 2). ⁽¹⁾Details about broadband SED fitting can be found in Sect. 3.1 and Appendix A. ⁽²⁾Details about IR-radio correlation (IRRC) analysis can be found in Sect. 4. ⁽³⁾Details about the radio luminosity function can be found in Sect. 5. ⁽⁴⁾Details about the maximum-likelihood (ML) fitting method used for calculating the probability of hosting a radio-excess AGN can be found in Sect. 6. ^(*) L_TIR: rest-frame total IR luminosity between 8 and 1000 μm.