Research on a Novel Kernel Based Grey Prediction Model and Its Applications

Table 4

Predicted values of monthly gas production of B41 by the ARGM, NDGM, DGM, NGBMOP, and KARGM.

Month	Gas production	ARGM	Error	NDGM	Error	DGM	Error	NGBMOP	Error	KAGM	Error
1	12.8	12.8	0	12.8	0	12.8	0	12.8	0	12.8	0.00
2	9.2	10.83	17.75	7.95	13.60	9.60	4.35	9.09	1.19	9.22	0.21
3	8.8	9.89	12.33	8.56	2.70	9.57	8.79	9.41	6.91	8.88	0.96
4	9.2	9.43	2.48	9.11	0.99	9.55	3.77	9.50	3.23	8.80	4.33
5	8.5	9.21	8.33	9.58	12.72	9.52	12.00	9.53	12.15	9.00	5.89
6	9.3	9.10	2.13	9.97	7.20	9.49	2.08	9.54	2.61	9.41	1.22
7	10.3	9.05	12.13	10.26	0.38	9.47	8.08	9.54	7.40	9.60	6.81
8	9.4	9.03	3.98	10.44	11.11	9.44	0.44	9.52	1.31	9.54	1.52
9	9.3	9.01	3.07	10.50	12.96	9.41	1.23	9.50	2.17	9.93	6.76
10	11.2	9.01	19.57	10.43	6.91	9.39	16.17	9.47	15.41	10.95	2.21
11	12.2	9.01	26.18	10.19	16.48	9.36	23.26	9.44	22.59	11.64	4.60
12	11	9.00	18.14	9.77	11.14	9.34	15.12	9.41	14.46	11.04	0.35
13	9	9.00	0.04	9.16	1.74	9.31	3.45	9.37	4.14	9.41	4.59
14	8.2	9.00	9.80	8.31	1.34	9.28	13.22	9.33	13.83	7.76	5.42
15	6.4	9.00	40.68	7.20	12.55	9.26	44.67	9.29	45.21	6.78	5.94
MAPE			11.77		7.45		10.44		10.17		3.39
16	7.5	9.00	20.05	5.80	22.63	9.23	23.10	9.25	23.36	6.65	11.34
17	6.8	9.00	32.40	4.07	40.17	9.21	35.40	9.21	35.42	7.14	5.07
18	7.5	9.00	20.05	1.96	73.90	9.18	22.42	9.16	22.20	7.86	4.78
19	7.7	9.00	16.93	−0.58	107.55	9.16	18.91	9.12	18.44	8.44	9.61
20	8.5	9.00	5.92	−3.60	142.40	9.13	7.42	9.07	6.76	8.77	3.14
MAPE			19.07		77.33		21.45		21.24		6.79