Constructing a Method for an Evaluation Index System Based on Graph Distance Classification and Principal Component Analysis

Table 6

The factor loading matrix of the principal component.

Index	Principal component		Screening results
	Composition 1	Composition 2
pH	0.969	−0.138	Retain
	0.293	−0.904	Retain
^210Pb	−0.495	0.088	Delete
^210Po	0.466	0.802	Delete
F^−	0.901	0.137	Retain
	0.834	0.282	Delete