Table 3.

Performance compared with four other methods.

Method	TP	TN	SE (%)	SP (%)	ACC (%)
Citation-KNN	45	68	75.98	80.77	78.55
DD	50	64	80.26	78.18	75.02
EM-DD	47	72	76.44	81.25	79.85
Method in [7] with SOM (49 neurons)	51	59	78.34	81.22	84.95
Method in [7] with k-means (49 neurons)	51	62	77.27	80.65	84.56
Proposed method	53	68	79.21	79.91	86.25