Stata学习：如何构建企业分析师实地调研变量？

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文献来源 Cheng, Q., Du, F., Wang, X., Wang, Y. (2016). Seeing is believing: analysts’ corporate site visits. Review of Accounting Studies, 21(4), 1245–1286. 数据来源 清洗数据 cd C : \ Download u af_analystprofile_2023 , clear drop Accper AnalystGender - ForecastNumber duplicates drop g i = _n sa _1 , replace keep i A * ren Ananm N_ ren A n_ split N , p (,) split n , p (,) sa _2 , replace * forv i = 1 / 11 { u _2 , clear keep i * _ ` i ' drop if mi ( N ) compress ren ( N n ) ( N n ) sa _2_ ` i ', replace } clear forv i = 1 / 11 { ap using _2_ ` i ' } sa _3 , replace * u _1 , clear keep i I B y joinby i using _3 drop i duplicates drop sa _4 , replace * u IRM_INSTITUTIONCLASS_2023 , clear drop if mi ( Researcher ) keep Stkcd year ReportD Res InstitutionName destr ………………………………