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Re: st: Merge question.

From   Friedrich Huebler <>
Subject   Re: st: Merge question.
Date   Thu, 31 Aug 2006 08:05:21 -0700 (PDT)


You write that you have no problem with the merge when you work
interactively. I assume that this means you type commands into Stata
and execute them one at a time. Why don't you use the same commands
in your do-file?


--- wrote:
>  Hi,
>  I am trying to merge 2 datasets.
>  But everytime, I get different results
>  (_m==3 has 83 observations in the
>  first time, 97 in the second, 100 in the
>  third and 96 in the fourth, and so on).
>  I tried to set seed and made my sort, stable.
>  With no success. I also tried to recast double
>  my merging identifier. No success. I tried to
>  tostring it. No success either.
>  Any hints why I obtain these various results?
>  I verified in both Stata and Excel.
>  I do not understand why Stata marked 3 to some
>  observations that belonged to both datasets in the
>  first trial and not in the second time.
>  Best regards.
>  Amadou.
>  PS: When I work interractivelly, I do not have that problem.
>  I have 96 observations that matched. So what I am doing
>  wrong in my stata do file?

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