Research Article

Operation Efficiency Evaluation of the China-Europe Freight Train Based on Grey Cross-Efficiency DEA

Table 8

Correlation coefficients and correlation weights of indicators.

Indicators

Correlation coefficients0.52970.68160.67900.74490.94770.74250.74560.9892
Correlation weights0.14780.19020.18950.20790.26450.29970.30100.3993