The confusion matrix represents the prediction accuracy of 16 forms of nucleic acids in 16*16 diagonal matrix with 87.33 % accuracy. AP-G4 - Antiparallel G-quadruplex, APT - Antiparallel triplex, H-G4 - Hybrid G-quadruplex, IM - i-motif, PD - Parallel duplex, P-G4 - Parallel G-quadruplex, PT - Parallel triplex