Table 1.

The results of using single feature representation methods and the PDB186 dataset.

Method	Ten-Cross Validation Accuracy (%)	Test Set Validation Accuracy (%)
		SN	SP	MCC	ACC
Information theory	64.86	68.42	57.89	0.26	64.16
K-Skip-N-Grams	61.86	68.42	78.95	0.48	73.68
SSF	66.22	73.68	84.21	0.58	78.95