Table 4. Performance comparison of different methods on D640 dataset.

Method	Prediction accuracy (%)
	All-α	All-β	α/β	α+β	Overall
SCEC by Chen et al. (2008) [28]	73.9	61.0	33.9	81.9	62.3
SCPRED by Kurgan et al. (2008) [34]	90.6	81.8	85.9	66.7	80.8
SVM by Ding et al. (2012) [32]	94.93	76.62	89.27	74.27	83.44
Our method	95.49	96.55	96.95	93.87	95.70