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st: foreach commands

From   nigussie Tefera <>
Subject   st: foreach commands
Date   Tue, 14 Apr 2009 07:19:41 -0700 (PDT)

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 please

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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