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Re: st: Adding variables to datasets
From
Eric Booth <[email protected]>
To
"<[email protected]>" <[email protected]>
Subject
Re: st: Adding variables to datasets
Date
Sun, 17 Jul 2011 19:41:13 +0000
<>
See -help merge-.
- Eric
__
Eric A. Booth
Public Policy Research Institute
Texas A&M University
[email protected]
On Jul 17, 2011, at 2:36 PM, <[email protected]>
wrote:
> Dear Statalist,
>
> I'd need to combine three datasets.
>
> For the first two, I do:
>
> use filename
>
> append using filename
>
> and it's fine. Now I'd like to add only one variable from a third dataset.
> This variables matches with id from the previous two (it is a new variable
> about observation id from a previous year).
>
> I tried again with 'append using filename' but it generates too many
> missing values.
>
> Could you please help me?
>
> Thanks,
>
> Maria
>
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