hyu9910 发表于 2015-6-7 22:33 
[1] 这结果可能论文作者手动修饰过了呢?
[2] 再查下regress命令的输出选项呢?
我用quietly regress r_ni C_Score a21i Size Lev MB Q C_Score_mid state if r_ni>0
estimates store population
quietly regress r_ni C_Score a21i Size Lev MB Q C_Score_mid state if state>0
estimates store soe
quietly regress r_ni C_Score a21i Size Lev MB Q C_Score_mid state if state<1
estimates store non_soe
estimates table population soe non_soe, b(%7.4f) stats(N r2_a) star这个指令可以做出相似的,但是括号里的没有,能加个联系方式具体问下么