Table 3. The performance of different features after feature selection on PDB1075 dataset (Jackknife test evaluation).

Feature	ACC(%)	MCC	SN(%)	SP(%)
NMBAC*	76.09	0.5218	76.19	76.00
PSSM-DCT*	74.60	0.4928	76.19	73.09
PSSM-DWT*	81.02	0.6213	82.86	79.27
NMBAC+PSSM-DCT*	81.40	0.6276	80.38	82.36
NMBAC+PSSM-DWT*	84.93	0.6987	85.52	84.36
PSSM-DWT+PSSM-DCT*	78.33	0.5664	78.29	78.36
NMBAC+PSSM-DWT+PSSM-DCT*	86.23	0.7250	87.43	85.09

* means this feature combination has employed feature selection.