Uloading

Uloading

Chililabdata/GenLongInmigration.do

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+clear
+cd e:\chililabdata\data
+use inmigration
+replace img_date=img_date/86400000
+format img_date %td
+gen year = year( img_date)
+drop if year < 2004
+gen h = halfyear(img_date)
+gen round = yh(year,h)-89
+drop  if round > 19
+tostring round, generate(rounds)
+replace rounds = "0" + rounds if strlen(rounds) ==1
+gen socialkey = socialgpid+  rounds
+gen individkey = individid+  rounds
+drop  EID h socialgpidGuid rounds  eventid observeid year
+duplicates drop individkey, force
+drop if round < 0
+save rImmigration, replace