Evaluation of Ecological Environment Quality in Chongqing Main City Area Based on Principal Component Analysis

Table 3

Average random consistency index.

Order	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
RI	0	0	0.58	0.90	0.12	1.24	1.32	1.41	1.45	1.49	1.52	1.54	1.56	1.58	1.59