Comprehensive Evaluation of Global Clean Energy Development Level Based on Compatibility and Difference Degree

Table 3

Variance of dimensionless and weight combination scheme.

Combination Scheme	Variance	Ranking
Normalization-mean square	0.004	2
Normalization-variance	0.011	8
Normalization-variation coefficient	0.008	4
Normalization-entropy	0.025	9
Standardization-variance	0.004	1
Linear proportionality-mean square	0.009	6
Linear proportionality-variance	0.026	10
Linear proportionality-variation coefficient	0.005	3
Extremum-mean square	0.010	7
Extremum-variation coefficient	0.008	5