Piecewise-Smooth Support Vector Machine for Classification

Table 2

PWSSVM compared with SSVM, FPSSVM, and TSSVM on checkerboard dataset with difference sizes (𝐶=100).

Training size	Algorithm	Train correctness (%)	Test correctness (%)	Time (s)
	SSVM	99.60	98.28	4.61
1000	FPSSVM	99.60	98.28	4.35
	TSSVM	99.62	98.28	4.23
	PWSSVM	99.80	98.76	4.01
	SSVM	98.84	98.54	11.97
2000	FPSSVM	99.22	98.59	9.63
	TSSVM	99.22	98.59	9.35
	PWSSVM	99.22	98.68	9.55
	SSVM	98.47	98.88	25.21
3000	FPSSVM	98.64	98.88	21.58
	TSSVM	98.68	98.90	17.21
	PWSSVM	98.85	98.94	17.36
	SSVM	99.34	99.51	47.09
5000	FPSSVM	99.48	99.51	39.29
	TSSVM	99.52	99.51	38.76
	PWSSVM	99.79	99.65	38.23