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st: Re: Generating subsamples according to a binary choice

From   Friedrich Huebler <[email protected]>
To   [email protected]
Subject   st: Re: Generating subsamples according to a binary choice
Date   Thu, 30 Oct 2003 14:02:52 -0800 (PST)

--- [email protected] wrote:
> Dear Statalisters,
> I want to classify the sample into two parts accoding to a
> dichotomy variable and apply them a same regression model.
> For instance, I want to divide the sample into the subsample A
> where a dummy takes one and the subsample B where a dummy takes
> zero. I do this by generating two new worksheets for subsamples
> A&B in MS-Excel, and then run a regression twice in Stata7.
> How do I do these procedures using only Stata instead of generating
> new worksheets in Excel?
> Thank you in advance.
> Nobuya Fukugawa

Is this what you need?

. sysuse auto
. regress mpg weight if foreign==1
. regress mpg weight if foreign==0

Friedrich Huebler

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