Research on the Simulation Application of Data Mining in Urban Spatial Structure

Table 2

Getis-Ord General G index of POI in Guiyang main city from 2016 to 2018.

		Total	Public service	Domestic services	Leisure	Live	Business
2016	G(d)	0.000087	0.000174	0.000159	0.000180	0.000203	0.000246
	E(d)	0.000019	0.000077	0.000096	0.000117	0.000155	0.000110
	Z	154.765599	49.719755	31.666177	18.253169	18.999336	35.250216
2017	G(d)	0.000078	0.000169	0.000137	0.000165	0.000220	0.000198
	E(d)	0.000018	0.000079	0.000080	0.000114	0.000174	0.000089
	Z	154.646603	54.024563	36.362221	17.605138	18.541761	41.195000
2018	G(d)	0.000072	0.000133	0.000004	0.000165	0.000214	0.000174
	E(d)	0.000018	0.000055	0.000002	0.000104	0.000165	0.000085
	Z	156.753601	70.542463	146.959363	22.548152	20.214073	41.786830