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Re: st: sample selection (-sample) in stata
From
Joerg Luedicke <[email protected]>
To
[email protected]
Subject
Re: st: sample selection (-sample) in stata
Date
Tue, 28 Jun 2011 15:59:49 -0400
Maybe -gsample- from Ben Jann might be helpful (-findit gsample-).
J.
On Tue, Jun 28, 2011 at 3:43 PM, Shikha Sinha <[email protected]> wrote:
> Dear all,
>
> My question is about sample selection in stata. I want to select 100
> companies loated in 10 cities from an universe of 800 comapnies. My
> data structure is as below:
>
> City company id Type (manufacturing)
> 1 1 1
> 1 2 0
> 1 3 1
> 2 4 0
> 2 5 1
> 2 6 0
> ..
> .
> .
> .
>
> .
> .
> so on.
>
> I want to select a sample of 25 companies from these 100, using
> probablity weights of slection i.e. Probability proportional to size.
> Is there any comand in stata.
> I have tried -sample but of no avail.
>
> Please advise.
> *
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> * http://www.ats.ucla.edu/stat/stata/
>
*
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