数据已经有了 但是运算出来的R2_δ4及R2 我运行不出结果.......
希望可以有人帮忙解答 感恩
- gen δ4_rmt = L_Rm+ L2_Rm + L3_Rm + L4_Rm
- bys stkcd year week: asreg Ri Rm δ4_rmt , fitted
- gen R2_δ4=_R2
- drop _*
- bys stkcd year week: asreg Ri Rm , fitted
- gen R2=_R2
- drop _*
- gen D1=1-R2_δ4/R2
- winsor2 D1,replace


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