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Re: st: Asking: choose between collapse and sort,copy-paste

From   Maarten Buis <[email protected]>
To   [email protected]
Subject   Re: st: Asking: choose between collapse and sort,copy-paste
Date   Fri, 2 Sep 2011 18:46:36 +0200

On Fri, Sep 2, 2011 at 5:41 PM, Yun wrote:
> I am using stata 11.0
> I plan to merge some files which have different unique ID.
> All the unique IDs are in string.
> So, i have in a file three different columns as ID: ID1, ID2, & school type
> And in other file, the column is: ID1, ID2
> However, I supposed that school types data prevents me to merge between files.
> I use this command: sort varlists, stable
> Then i copy and paste the same type or level in a new column within the same file. I do not know whether this is the correct way to do it.

That sounds like the perfect recipe for completely and utterly
destroying your data. So do _not_ do that.

There are some excellent tips on how to check what went wrong with
-merge- here: <>
and here: <>.

Hope this helps,

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