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Re: st: Loop question


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Loop question
Date   Sat, 9 Feb 2013 09:34:30 +0000

Could also be

foreach e in _icw _imp1w _imp2w _mw {
     reg post`e' i.appliance pre`e'
}

The local macro does no harm, but more direct code will work too.

Nick

On Sat, Feb 9, 2013 at 6:01 AM, Cory Smith <corybsmith@gmail.com> wrote:
> do something like:
>
> local ends = "_icw _imp1w _imp2w _imw"
>
> foreach e of local ends {
>     reg post`e' i.appliance pre`e'
> }
>
> On Sat, Feb 9, 2013 at 12:54 AM, Nikolaos Pandis <npandis@yahoo.com> wrote:
>> Hi to all,
>>
>> I am trying to do the following in Stata 12.1:
>> ************************************************************
>>
>>  foreach myvarpre of varlist pre_icw pre_imp1w pre_ipm2w pre_imw {
>>      foreach myvarpost of varlist post_icw post_ipm1w post_ipm2w post_imw {
>>          reg `myvarpost' i.appliance `myvarpre', noheader
>>      }
>>  }
>> *******************************************************************
>> How can I restrict in the regression and adjust only for the corresponding pre_* variable and not for all the variables in my list?
>>
>> I would like only to get only the following:
>>
>> reg post_icw i.appliance pre_icw
>> reg post_imp1w i.appliance pre_imp1w
>> reg post_imp2w i.appliance pre_imp2w
>> reg post_imw i.appliance pre_imw
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