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

Table 4

MAE 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	1.253	1.277	0.942	0.937	1.010	1.895	1.643	1.406	1.577
HF	1.299	0.850	0.770	1.126	0.927	1.752	1.592	1.647	1.697
SHLKR	1.360	0.857	0.858	1.093	0.882	1.644	1.453	1.408	1.666