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Re: st: Sample: drawing the same "random" sample


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Sample: drawing the same "random" sample
Date   Tue, 12 Apr 2011 20:15:12 +0100 (BST)

--- On 4/12/11 2:02 PM, Laurie Molina wrote:
> > I am running random samples in stata 9 using the
> > command sample. If i close the program, open the
> > database again and then run the sample again, the 
> > "random" sample is the same as the first time i
> > gave stata the instruction.
> > Is it really a random sample? Is it ok to use it to
> > make inference in to the population? What is the
> > algorith used to draw the sample?

A very nice and detailed explanation was given last year on 
this list by Bill Gould:
<http://www.stata.com/statalist/archive/2010-08/msg00834.html>

Hope this helps,
Maarten

--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany

http://www.maartenbuis.nl
--------------------------

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