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Re: st: A loop for each couple of variables (instead of for each variable)

From   Nick Cox <>
Subject   Re: st: A loop for each couple of variables (instead of for each variable)
Date   Mon, 12 Sep 2011 12:11:47 +0100

I don't know what # and & are doing here.

You can do this:

foreach x in "a b" "c d" "e f" {

      <stuff> `x'


If this is not what you want, you may need to repost a much clearer question.


On Mon, Sep 12, 2011 at 11:53 AM, Fabien Bertho
<> wrote:
> Hi,
> I created a loop in order to estimate various specifications of my model
> foreach variables in ""var_1 var_2 {
> reg dep_var control_var `variables&#8217;
> }
> Now, I would like to run this loop not for two variables but for two locals that comprises two variables. I tried the following code.
> local local_1 &#8220;var_1 var_2&#8221;
> local local_2 &#8220;var_3 var_4&#8221;
> foreach local_variables in ""`local_1&#8217; ` var_2&#8217; {
> reg dep_var control_var `local_variables&#8217;
> }
> But it does not work because during the loop Stata splits my local into two variables&#8230;
> Do you think that it is possible to estimate a loop for each couple of variables instead of for each variable? How can I do this?
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