Employing Artificial Neural Networks to Predict the Performance of Domestic Sewage Treatment Terminals in the Rural Region

Table 2

The results of PCA analysis.

Components	Characteristic value	Contribution rate, %	Accumulated contribution rate, %
1	3.582	44.772	44.77
2	1.878	23.478	68.25
3	1.036	12.946	81.2
4	0.624	7.797	88.99
5	0.426	5.326	94.32
6	0.211	2.638	96.96
7	0.146	1.823	98.78
8	0.098	1.22	100