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Re: st: data set too large


From   Neil Shephard <nshephard@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: data set too large
Date   Thu, 7 Apr 2011 09:02:39 +0100

On Thu, Apr 7, 2011 at 3:55 AM, Averett, Susan L <averetts@lafayette.edu> wrote:
> Hi all: I am reading in a large data set, the ECLS and it comes with a Stata dictionary file so obviously it was meant to be read in Stata. I have Stata 11 SE but I cannot get it to load. It is too big.
> The error message (below) tells me to compress the data but how can I compress the data when it is not even read into Stata yet?
> Likewise, how can I drop observations? I am reading in a dictionary file. I've got set mem set as large as it will go for me:
> 1000m and same with max var..it is set to 30,000.
> Help!
>
> My error message is:
>
> (10422 observations read)
> no room to add more observations
>    An attempt was made to increase the number of observations beyond what is currently possible.  You have the following alternatives:
>
>     1.  Store your variables more efficiently; see help compress.  (Think of Stata's data area as the area of a rectangle; Stata can trade off width
>         and length.)
>
>     2.  Drop some variables or observations; see help drop.
>
>     3.  Increase the amount of memory allocated to the data area using the set memory command; see help memory.
>

Switch to a 64-bit operating system.

See http://www.stata.com/support/faqs/win/memory1.html

Neil


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