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Re: st: load additional variable in stata


From   Nick Cox <[email protected]>
To   "[email protected]" <[email protected]>
Subject   Re: st: load additional variable in stata
Date   Thu, 31 Oct 2013 12:26:11 +0000

-input- is an answer in principle, but useless in practice for your situation.

In practice, if J variables will fit in memory, and J + K variables
will fit in memory, then read in those J + K all at once. Anything
else, e.g. a -merge- with the extra K variables, is likely to be much
more work.

Perhaps I am missing something here...


Nick
[email protected]


On 31 October 2013 11:58, Michael Stewart
<[email protected]> wrote:
> Hi ,
>
> I am working with large  dataset and it takes a while to load the
> dataset. Hence, I have resorted to using relevant variables by stata
> commands
> use varlist using xxx.dta
>
> My question: One I have loaded lets say var1 var2 var3 into stata ,
> how is it possible to load one additional variable into stat memory
> without clearing the memory.
>
> --
> Thank you ,
> Yours Sincerely,
> Mike.
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