Dynamic Discrete GM (1,1) Model and Its Application in the Prediction of Urbanization Conflict Events

Table 2

Comparison between predicted and actual value of four models.

Years	Actual value	DGM model	GM model	OGM model	EDDGM model
2009	132	139.42	139.34	145.37	139.81
2010	151	151.48	151.38	153.87	153.24
2011	172	164.57	164.46	162.88	166.18
2012	189	178.81	178.67	172.41	171.63
2013	184	194.25	194.11	182.51	181.63
2014	192	211.05	210.87	193.18	192.22