Re: st: RE: Modify large data base without opening it

["Michael I. Lichter" <mlichter@buffalo.edu>]

Martin is of course right and I apologize for misreading the question. I 
was thinking about my own problems with reading large datasets not yet 
in Stata format.

-ml

Martin Weiss wrote:

> No need to drop anything, just load whatever you need with -use with
> options-. See - h use-
>
>
> HTH
> Martin
>
>
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Jos� Luis Ch�vez
> Calva
> Sent: Wednesday, September 24, 2008 10:18 PM
> To: statalist@hsphsun2.harvard.edu
> Subject: st: Modify large data base without opening it
>
> I'm working with a very large data base (1000m, 2000 vars) and my PC
> is taking too long to open it. I would like to know if there is a way
> or a specific command to drop some variables without actually opening
> the data base.
>
> Thanks in advance,
>
> Jos� Luis Ch�vez Calva
>
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--
Michael I. Lichter, Ph.D.
Research Assistant Professor & NRSA Fellow
UB Department of Family Medicine / Primary Care Research Institute
UB Clinical Center, 462 Grider Street, Buffalo, NY 14215
Office: CC 125 / Phone: 716-898-4751 / E-Mail: mlichter@buffalo.edu

*
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