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Re: st: merging datasets and getting different N in resulting dataset if I run several times


From   Neil Shephard <nshephard@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: merging datasets and getting different N in resulting dataset if I run several times
Date   Fri, 14 Aug 2009 16:54:45 +0100

On Fri, Aug 14, 2009 at 4:46 PM, Woolton Lee<finished07@gmail.com> wrote:

> The id variables do not uniquely identify observations in the master
> or using dataset.

This will be a problem, you might want to consider using the -joinby-
command as opposed to -merge-

I _very_ much doubt it is a bug in the -merge- command, its almost
definitely an artefact of your data.

Neil



-- 
"The combination of some data and an aching desire for an answer does
not ensure that a reasonable answer can be extracted from a given body
of data." ~ John Tukey (1986), "Sunset salvo". The American
Statistician 40(1).

Email - nshephard@gmail.com
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