Stata学习：如何构建企业打败目标股价变量？

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前情回顾 数据来源 清洗数据 Beat 运行时间约为1小时： cd C : \ Download u er_relforcdate , clear keep if Reptyp == 4 keep Stkcd y Act sa _1 , replace * forv i = 1 / 3 { u _1 , clear g t = date ( A , "YMD" ) - ` i ' drop if mi ( t ) sa _1_ ` i ', replace } * u 日收盘价_2023 , clear g t = date ( T , "YMD" ) drop y sa _2 , replace * forv i = 1 / 3 { u _1_ ` i ', clear joinby t S using _2 ren C C ` i ' sa _2_ ` i ', replace } * u _2_1 , clear g C = C1 forv i = 2 / 3 { merge 1 : 1 S y using _2_ ` i ', nogen keepus(C*) replace C = C ` i ' if mi(C) } keep S y C merge 1 : 1 S y using _1 , nogen ren C PreEA g t = date ( A , "YMD" ) sa _3 , replace * u AnalystPriceForecast , clear drop AnalystExperience FollowCoNumber For ………………………………