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Re: st: resticting the sample?


From   "Dimitriy V. Masterov" <dvmaster@lily.src.uchicago.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: resticting the sample?
Date   Wed, 6 Oct 2004 16:56:22 -0500 (CDT)

Your can use preserve/restore to do this:

preserve
	keep if age<40
	reg ....
restore

DVM

On Wed, 6 Oct 2004, Shuaizhang Feng wrote:

> Dear all:
>
> I want to restrict my sample first and then use the
> resticted sample in my regressions. Is there a compact
> way to do this.
>
> for example, I want to run regression on age<40. but I
> don't want to add "if age<40" for every regressions I
> do, as it would be too long ( I have a bunch of other
> stuffs). is there an alternative way to do this?
>
> Thanks a lot in advance.
>
> shuaizhang
>
>
>
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Dimitriy V. Masterov

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