变量

重要性得分

OOB error

Gini index

PU

19.5710

9.4675

PEOU

19.0454

9.9235

PC

40.9719

20.0857

PB

31.6021

13.7225

EA

39.8390

18.7521

SC

32.1779

11.7823

Policy and Economics

7.4979

6.0873