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

Table 2

Predicted values of monthly gas production of B51 by the ARGM, NDGM, DGM, NGBMOP, and KARGM.

Month	Gas production	ARGM	Error	NDGM	Error	DGM	Error	NGBMOP	Error	KAGM	Error
1	90.2837	90.2837	0	90.2837	0	90.2837	0	90.2837	0.00	90.2837	0.00
2	72.1744	59.1583	18.03	73.2911	1.55	63.5896	11.89	72.8510	0.94	70.0022	3.01
3	54.7787	51.0645	6.78	64.7782	18.25	61.0010	11.36	65.2404	19.10	55.9178	2.08
4	54.1369	48.9598	9.56	57.9739	7.09	58.5177	8.09	61.4602	13.53	53.5025	1.17
5	64.6249	48.4125	25.09	52.6425	18.54	56.1356	13.14	58.5062	9.47	65.0060	0.59
6	63.9314	48.2702	24.50	48.5808	24.01	53.8504	15.77	55.9700	12.45	61.2468	4.20
7	30.8003	48.2332	56.60	45.6134	48.09	51.6582	67.72	53.6995	74.35	34.3068	11.38
8	60.5955	48.2236	20.42	43.5893	28.07	49.5553	18.22	51.6200	14.81	59.2332	2.25
9	58.2767	48.2211	17.25	42.3785	27.28	47.5380	18.43	49.6887	14.74	55.7955	4.26
10	7.5851	48.2204	535.73	41.8686	451.98	45.6028	501.22	47.8783	531.21	12.5928	66.02
11	34.2398	48.2202	40.83	41.9629	22.56	43.7464	27.76	46.1701	34.84	32.4912	5.11
12	44.0861	48.2202	9.38	42.5780	3.42	41.9656	4.81	44.5509	1.05	45.1528	2.42
13	49.6398	48.2202	2.86	43.6422	12.08	40.2572	18.90	43.0106	13.35	49.4121	0.46
14	51.7017	48.2202	6.73	45.0933	12.78	38.6184	25.31	41.5412	19.65	51.3527	0.68
15	44.5744	48.2202	8.18	46.8780	5.17	37.0463	16.89	40.1364	9.96	45.2044	1.41
MAPE			52.13		45.39		50.63		51.30		7.00
16	53.2518	48.2202	9.45	48.9502	8.08	35.5382	33.26	38.7911	27.16	47.2950	11.19
17	50.3282	48.2202	4.19	51.2703	1.87	34.0915	32.26	37.5008	25.49	50.3266	0.00
18	37.8982	48.2202	27.24	53.8041	41.97	32.7037	13.71	36.2619	4.32	50.5842	33.47
19	36.4632	48.2202	32.24	56.5221	55.01	31.3724	13.96	35.0710	3.82	50.5825	38.72
20	48.0127	48.2202	0.43	59.3988	23.71	30.0953	37.32	33.9254	29.34	50.5832	5.35
MAPE			14.71		26.13		26.10		18.02		17.75