Dynamic Early Warning Method for Major Hazard Installation Systems in Chemical Industrial Park

Table 5

Principal component characteristic root and contribution rate.

assembly	Initial Eigenvalues			Extraction of load square sum
	total	variance	cumulative%	total	variance	cumulative%
		percentage			percentage
1	9.543	68.165	68.165	9.543	68.165	68.165
2	2.328	16.631	84.796	2.328	16.631	84.796
3	1.232	8.800	93.597	1.232	8.800	93.597
4	0.341	2.434	96.031
5	0.204	1.454	97.484
6	0.139	0.990	98.474
7	0.076	0.543	99.017
8	0.061	0.432	99.450
9	0.045	0.322	99.771
10	0.021	0.149	99.920
11	0.007	0.051	99.971
12	0.002	0.017	99.988
13	0.002	0.012	100.000
14	5.197E-5	0.000	100.000