TABLE 2.

Performance of descriptors before and after feature selection and in feature fusion.

	Descriptors	SN	SP	AAC	MCC	AUC
Before feature selection	ACC	0.9304	0.9308	0.9306	0.8626	0.9723
	tPseAAC	0.9011	0.8793	0.8899	0.7914	0.9551
	aPseAAC	0.8901	0.8720	0.8808	0.7714	0.9519
	DC	0.7546	0.8720	0.8149	0.5963	0.8812
	DDE	0.8022	0.8374	0.8203	0.6319	0.9081
	CKSAAP	0.7912	0.5398	0.6619	0.3855	0.7365
	CTD	0.9377	0.9100	0.9235	0.8612	0.9786
After feature selection	ACC	0.9524	0.9239	0.9377	0.8902	0.9735
	tPseAAC	0.8938	0.8962	0.8950	0.7943	0.9580
	aPseAAC	0.8971	0.8824	0.8895	0.7863	0.9610
	DC	0.8859	0.8754	0.8416	0.6620	0.9143
	DDE	0.7802	0.8651	0.8238	0.6430	0.9165
	CKSAAP	0.7070	0.8374	0.7740	0.5156	0.8349
	CTD	0.9167	0.9135	0.9150	0.8330	0.9644
	Feature fusion	0.9634	0.9619	0.9626	0.9269	0.9864