A Study on the Small Organic Cities in China Combining PCA and CNN

Table 3

The explained variance rate of the principal components.

Principal component	Eigenvalue
	Characteristic root	Variance contribution rate (%)	Accumulated variance contribution rate (%)
1	30.989	68.864	68.864
2	6.342	14.093	82.957
3	2.833	6.295	89.252
4	1.720	3.821	93.073
5	1.209	2.686	95.758

Source: the author.