The Analysis of Spatial Pattern and Hotspots of Aviation Accident and Ranking the Potential Risk Airports Based on GIS Platform

Table 2

Spatial autocorrelation (Moran’s Index) from 2002 to 2017.

Year	Moran’s Index	z-score	p-value	Spatial Autocorrelation
2002	0.009	0.268	0.788	Random
2003	0.367	5.676	0	Clustered
2004	-0.007	0.136	0.892	Random
2005	0.143	2.221	0.026	Clustered
2006	0.56	18.548	0	Clustered
2007	0.839	15.098	0	Clustered
2008	-0.028	-0.346	0.729	Random
2009	0.038	2.571	0.01	Clustered
2010	-0.026	-0.264	0.792	Random
2011	0.255	3.678	0	Clustered
2012	-0.024	-0.593	0.553	Random
2013	-0.074	-0.742	0.457	Random
2014	-0.032	-0.247	0.805	Random
2015	-0.029	-1.016	0.309	Random
2016	-0.045	-0.337	0.735	Random
2017	0.088	1.187	0.235	Random