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st: Large data set that won't open

From   John Antonakis <>
Subject   st: Large data set that won't open
Date   Thu, 24 Jun 2010 09:37:08 +0200


I have a rather large data set that I cannot open in Stata; here are the particulars:

ls "D:\My Documents\STATA\upstata.dta",
5375.8M 6/23/10 10:44 upstata.dta
When I try to open the data set I get:

. use "D:\My Documents\STATA\upstata.dta", clear
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.

Here is my current memory allocation:

. q memory

Current memory allocation

                   current                                 memory usage
   settable          value     description                 (1M = 1024k)
   set maxvar         5000     max. variables allowed           1.909M
   set memory         1024M    max. data space              1,024.000M
   set matsize        1000     max. RHS vars in models          7.713M

It seems that I just don't have enough RAM to open this file. Is that correct?



Prof. John Antonakis, Associate Dean Faculty of Business and Economics
Department of Organizational Behavior
University of Lausanne
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CH-1015 Lausanne-Dorigny

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