Crude Oil Price Prediction Based on a Dynamic Correcting Support Vector Regression Machine

Table 3

Analysis results of forecasting error.

Date	BP/%	𝜀-SVR%	HRGA-𝜀-SVR /%
5-1994	3.22	3.64	3.42
6-1994	−5.1	−3.78	−4.48
7-1994	1.97	−0.57	0.61
8-1994	4.27	6.55	5.77
9-1994	2.05	4.41	3.38
10-1994	2.19	1.59	1.51
11-1994	0.69	2.3	1.87
12-1994	8.08	7.68	7.35
1-1995	−6.46	−2.79	−4.16
2-1995	7.58	2.87	4.44
3-1995	−4.23	1.61	−0.13
4-1995	−1.69	−6.46	−5.57
5-1995	1.56	2.08	2.48
6-1995	3.75	3.94	3.2
7-1995	3.7	5.19	4.83
8-1995	−1.69	−0.85	−1.75
9-1995	4.27	3.4	4.19
10-1995	4.64	5.94	5.45
11-1995	−2.58	−1.17	−2.14
12-1995	0.62	−0.92	−0.03
𝛿	4.09	3.96	3.87