Semi-Supervised Hybrid Local Kernel Regression for Soft Sensor Modelling of Rubber-Mixing Process

Table 3

RE comparison using different number of historical records.

Nh	0	1	2	3	4	5	6	7	8
Np	43	12	13	17	19	20	24	25	27
SVM	0.046	0.040	0.033	0.043	0.032	0.063	0.062	0.053	0.054
HF	0.044	0.027	0.028	0.042	0.031	0.059	0.061	0.055	0.055
SHLKR	0.047	0.028	0.030	0.041	0.029	0.056	0.056	0.048	0.054