Improved Instance Selection Methods for Support Vector Machine Speed Optimization

Table 2

Result for technique proposed by Chen et al. [16].

Total email	APA (%)	GB	FP (%)	FN (%)	(%)	Pr (%)	FM (%)	(s)
4000	99.98	100	0.03	0.00	100	99.80	99.80	1438.39

Key: GB: global best, FP: false positive, FN: false negative, APA: average prediction accuracy, : recall, Pr: precision, FM: -measure, and : time.