[Retracted] Evaluation Algorithm of Ecological Energy-Saving Effect of Green Buildings Based on Gray Correlation Degree

Table 2

Selection results of evaluation indicators.

Primary index	Secondary index	Tertiary index
Environmental performance	Energy consumption	Energy consumption
		Energy type
		Energy recovery rate
		Proportion of energy use
	Resource consumption	Raw material consumption
		Raw material recovery
		Raw material reuse rate
		Raw material substitution ratio
	Environmental effect	Air pollution
		Water environment pollution
		Solid waste pollution
		Radioactive contamination