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st: AW: foreach commands

From   "Martin Weiss" <>
To   <>
Subject   st: AW: foreach commands
Date   Tue, 14 Apr 2009 16:30:02 +0200


One problem: The outer loop does not know your `x', so it does not know what
it is supposed to drop...


-----Ursprüngliche Nachricht-----
[] Im Auftrag von nigussie Tefera
Gesendet: Dienstag, 14. April 2009 16:20
Betreff: st: foreach commands

Dear stata list
I want to generate variables containing lnpindexprice11-lnpindexprice111 and
multiply them by wrfoodexpy11-wrfoodexpy111 and replace lnpindexprce*,
respectively. I used foreach commond as follows but it works only for the
first column i.e lnpindexprice11 but not for the other. Would you assist me

foreach w of varlist wrfoodexpy11- wrfoodexpy111 {
     foreach x of varlist pindexprice11-pindexprice111 {
     gen l`x'=ln(`x')
     gen lt`x'=l`x'*`w'
drop `x'



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