The confusion matrix represents the prediction accuracy of 16 forms of nucleic acids in 16*16 diagonal matrix. The prediction accuracy of NNET method is 85.33%. AP G4 - Antiparallel G-Quadruplex, APT - Antiparallel triplex, H G4 - Hybrid G-Quadruplex, IM - i motif, PD - Parallel duplex, P G4 - Parallel G-Quadruplex, DNA sl -DNA stemloop, iGpenta - iGPentaplex, iGQuadra - iGQuadruplex, RNA sl - RNA stemloop and PT - Parallel triplex.