Analysis on Scientific and Technological Innovation of Grain Production in Henan Province Based on SD-GM Approach

Table 5

Comparison of coefficient test results.

Variable	Sown area of grain (10^3 hm^2)			Grain output per hectare (kg/hm^2)			Grain output (10^7 kg)
Year	Simulation value	Actual value	Relative error (%)	Simulation value	Actual value	Relative error (%)	Simulation value	Actual value	Relative error (%)
+10%
2010	9,740.16	9,740.17	0.0001	5,719.23	5,730.72	0.2005	5,570.62	5,581.82	0.2007
2011	9,856.30	9,859.87	0.0362	5,490.67	5,815.41	5.5842	5,411.77	5,733.92	5.6183
2012	10,413.60	10,434.56	0.2009	5,606.70	5,652.73	0.8144	5,838.62	5,898.38	1.0132
2013	10,672.90	10,697.43	0.2293	5,683.28	5,631.07	0.9271	6,065.69	6,023.80	0.6954
2014	10,959.10	10,944.97	0.1291	5,781.49	5,604.04	3.1665	6,335.98	6,133.60	3.2995
2015	11,143.00	11,126.30	0.1501	5,869.42	5,815.25	0.9315	6,540.32	6,470.22	1.0834
2016	11,222.60	11,219.55	0.0272	5,913.16	5,791.69	2.0974	6,636.09	6,498.01	2.1250
2017	10,914.20	10,915.13	0.0085	5,963.28	5,977.25	0.2338	6,508.45	6,524.25	0.2422
2018	10,847.40	10,906.08	0.5380	6,045.35	6,096.52	0.8393	6,557.65	6,648.91	1.3726
2019	10,742.30	10,734.54	0.0723	6,115.73	6,237.21	1.9477	6,569.70	6,695.36	1.8768
Average relative error			0.1392			1.6742			1.7527
−10%
2010	9,740.16	9,740.17	0.0001	5,719.23	5,730.72	0.2005	5,570.62	5,581.82	0.2007
2011	9,856.30	9,859.87	0.0362	5,490.67	5,815.41	5.5842	5,411.77	5,733.92	5.6183
2012	10,413.60	10,434.56	0.2009	5,621.40	5,652.73	0.5543	5,853.92	5,898.38	0.7538
2013	10,672.90	10,697.43	0.2293	5,713.11	5,631.07	1.4569	6,097.52	6,023.80	1.2238
2014	10,959.10	10,944.97	0.1291	5,827.06	5,604.04	3.9797	6,385.92	6,133.60	4.1137
2015	11,143.00	11,126.30	0.1501	5,931.19	5,815.25	1.9937	6,609.14	6,470.22	2.1471
2016	11,219.90	11,219.55	0.0031	5,989.96	5,791.69	3.4234	6,720.64	6,498.01	3.4261
2017	10,909.00	10,915.13	0.0562	6,055.44	5,977.25	1.3081	6,605.89	6,524.25	1.2513
2018	10,840.90	10,906.08	0.5976	6,153.79	6,096.52	0.9394	6,671.24	6,648.91	0.3358
2019	10,737.00	10,734.54	0.0229	6,240.85	6,237.21	0.0583	6,700.82	6,695.36	0.0815
Average relative error			0.1426			1.9499			1.9152