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Re: st: -save- a varlist


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: -save- a varlist
Date   Tue, 30 Oct 2012 18:31:45 +0000

Agreed. For people who didn't read the previous thread:it started at

http://www.stata.com/statalist/archive/2012-10/msg01263.html

Nick

On Tue, Oct 30, 2012 at 6:08 PM, Daniel Feenberg <feenberg@nber.org> wrote:
>
> On Tue, 30 Oct 2012, Nick Cox wrote:
>
>> As Daniel Feenberg underlined recently, you can -outsheet- part of the
>> data. In the same vein, -outfile- is another alternative.
>
>
> The underlying problem here is that the -save- command doesn't allow a
> variable list (of -if- or -in-, for that matter). But -outsheet- and
> -outfile- do.  Alternatively, if the user has some writeable local storage
> STATATMP can be set by the user to point there, and that would speed up
> -preserve-, -restore- and many other commands.
>
> dan feenberg
>
>>
>> Nick
>>
>> On Tue, Oct 30, 2012 at 2:10 PM, Jeph Herrin <stata@spandrel.net> wrote:
>>>
>>>
>>> I have a very large dataset (20gb) that I must access remotely, so that
>>> -use- and -save- each take about 30minutes. When I have this file open,
>>> I would like to create some secondary files that contain only 1-3
>>> variable.
>>>
>>> If the file were smaller, I would typically use -preserve-, -keep-,
>>> -save-, -restore- to do this. However, this takes a couple of hours. So
>>> I am using
>>>
>>> . export excel var1 var2 var3 using file.xls, replace
>>>
>>> Then later using -import excel- to read them back in. This is much
>>> faster, but has the obvious drawback that variable labels and other
>>> attributes are lost. It is also aesthetically unsatisfying.
>>>
>>> Can anyone suggest an alternative?
>>
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