End-Point Static Control of Basic Oxygen Furnace (BOF) Steelmaking Based on Wavelet Transform Weighted Twin Support Vector Regression

Table 4

. Comparisons of WTWTSVR on Sinc functions with different kernel functions.

Noise	Kernel Type	SSE	SSE/SST	SSR/SST
Type A	RBF	0.1577±0.0099	0.0029±0.0018	0.9972±0.0264
	RQ	0.1982±0.0621	0.0037±0.0012	1.0157±0.0297
	Multiquadric	0.2884±0.0762	0.0054±0.0014	0.9911±0.0345
	Log	0.4706±0.1346	0.0088±0.0025	1.0115±0.0306
Type B	RBF	0.6659±0.2456	0.0124±0.0046	1.0161±0.0564
	RQ	1.1662±0.3175	0.0217±0.0059	0.9834±0.0385
	Multiquadric	1.1101±0.5028	0.0206±0.0093	1.0030±0.0867
	Log	1.8157±0.6026	0.0338±0.0112	1.0366±0.0802
Type C	RBF	1.2425±0.1444	0.0231±0.0027	1.0228±0.0153
	RQ	3.5697±1.5023	0.0664±0.0279	1.0421±0.1584
	Multiquadric	3.6438±1.4810	0.0678±0.0275	1.0494±0.0641
	Log	6.9962±2.2691	0.1301±0.0422	1.1208±0.1682
Type D	RBF	4.8557±0.4009	0.0903±0.0075	1.0768±0.0283
	RQ	6.1541±1.8766	0.1144±0.0349	1.0829±0.1923
	Multiquadric	5.6597±2.4049	0.1052±0.0447	1.1015±0.1908
	Log	14.9196±3.4583	0.2774±0.0643	1.3255±0.2159