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昆木兰汹 艘携寿衙 cd C : \ Download
import exc TMT_FIGUREINFO , first clear
labone , n ( 1 )
drop in 1 / 2
keep if regexm ( Rep , "-12-31" )
g year = substr ( Rep , 1 , 4 )
g j = regexm ( Res , "摸妖" )
drop R *
duplicates drop
destring * , replace
bys Stkcd year : egen n = sum ( j )
bys Stkcd year : egen m = sum ( I )
g ProfDir = n 0
g ProfPct = n / m
la var ProfDir 盟宜交欧仿滴 ： 腻桶
la var ProfPct 柔遗伪垫嚷临 ： 衰蜂孔趋啤豹
keep S y Pr *
duplicates drop
keep if y 2003
drop if mi ( ProfPct )
sa 顺冠羞湾眶蛇 , replace
d
su
ta y ProfDir , m
kdensity ProfPct 惫嵌渗嚣 Contains data from 捎称愁馁萎譬.dta
Observations: 52,402
Variables: 4 7 Jul 2024 23:16
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