例如31个省份引入30个虚拟变量作为协变量,会有几个不能通过平衡性检验,其他的都可以,请问这种情况要怎么办?使用的是pscore命令
- Variable _Ikind_8 is not balanced in block 2
- Variable _Ikind_16 is not balanced in block 3
- Variable _Iindustry_15 is not balanced in block 4
- Variable _Ikind_8 is not balanced in block 5
- Variable _Ikind_20 is not balanced in block 6
- Variable _Iprovince_20 is not balanced in block 7
- Variable _Ikind_22 is not balanced in block 9
- Variable _Iprovince_24 is not balanced in block 12
- The balancing property is not satisfied
- Try a different specification of the propensity score
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