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Re: st: Loop


From   Nick Cox <njcoxstata@gmail.com>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: Loop
Date   Wed, 17 Apr 2013 16:50:34 +0100

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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