The Impact of Urban-Rural Income Inequality on Environmental Quality in China

Table 3

Principal component explanation variance of gas pollutants.

Component	Eigenvalues	Variance contribution rate	Cumulative contribution rate
Component 1	2.15639	0.7188	0.7188
Component 2	0.465913	0.1553	0.8741
Component 3	0.377698	0.1259	1.0000