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Re: st: Loop


From   Jeph Herrin <stata@spandrel.net>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Loop
Date   Wed, 17 Apr 2013 12:59:38 -0400

I daresay your -if- statement is always true.

The poster wants to exclude when x = y, not d`x'=ls`y'. So

 if "`x'"!="`y'" {

 }

J


On 4/17/2013 11:50 AM, Nick Cox wrote:
Same correction as Jeph indicated earlier.

You want

if "d`x'" != "ls`y'""
Nick
njcoxstata@gmail.com


On 17 April 2013 16:07, Estrella Gomez <estrellastata@gmail.com> wrote:
No, it does not work, because Stata does not recognise BE, the name of
the variable is dBE, but if I say "if d`x' != d`y'", I obtain the same
error message. I have tried "if d`x' != ls`y'" and "if ls`x' != ls`y'"
as well, and I obtain the same error


2013/4/17 Jeph Herrin <stata@spandrel.net>:
foreach x in BE DE ES FR GB US {
   foreach y in BE DE ES FR GB US {
      if "`x'"!="`y'" {

          xi: probit d`x' ls`y' i.d10_comp
          outreg2 using "D:\UsersData\Estrella\results\probit_`x'-`y'.xls",
bdec(4) se replace
      }
   }
}


On 4/17/2013 10:47 AM, Estrella Gomez wrote:

Hi,

I am trying to run 36 probits using this loop:

foreach x in     BE    DE  ES   FR    GB    US  {
foreach y in BE    DE  ES   FR    GB    US {
xi: probit d`x' ls`y' i.d10_comp
outreg2 using "D:\UsersData\Estrella\results\probit_`x'-`y'.xls",
bdec(4) se replace
}
}

However, in those cases in which x and y coincides (for instance, xi:
probit dBE lsBE i.d10_comp), I obtain the error message "no
observations".
How could I write this loop for excluding those cases?

Thank you very much,
Estrella
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