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Re: st: Memory settings


From   Neil Shephard <nshephard@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Memory settings
Date   Thu, 16 Jul 2009 13:07:50 +0100

On Thu, Jul 16, 2009 at 12:11 PM, Ismail Ait Saadi<a.saadi@curtin.edu.my> wrote:
> Dear All,
>
> I am working on an urgent project where I need to use Exact Logistic Regression. I run the model and I get the message:
>
> " exceeded memory limit 0f 10.0M bytes, use the memory0 to increase the memory limit"
>
> well , I know how to set the memory and this what I used:
>
> set maxvar = 5000
> set memory = 700MB
> set matsize = 5000

If this is what you typed then it won't have worked and you will have
seen error messages like this....

. set memory = 700Mb
'=' found where integer expected
r(198);

...and the amount of memory allocated to Stata will remain at 10Mb
(according to the error message you have posted).


See -man memory- for the correct syntax which when executed will show
you how much memory you have allocated...

. set memory 700M

Current memory allocation

                    current                                 memory usage
    settable          value     description                 (1M = 1024k)
    --------------------------------------------------------------------
    set maxvar         5000     max. variables allowed           1.909M
    set memory          700M    max. data space                700.000M
    set matsize         400     max. RHS vars in models          1.254M
                                                            -----------
                                                               703.163M



> Anyone who can help? I really need this done ASAP.

It might be worth taking a moment to read -man syntax- so that you
understand the syntax structure of Stata commands, otherwise you'll
likely find you get quite frustrated over simple things like this.

Neil

-- 
"The combination of some data and an aching desire for an answer does
not ensure that a reasonable answer can be extracted from a given body
of data." ~ John Tukey (1986), "Sunset salvo". The American
Statistician 40(1).

Email - nshephard@gmail.com
Website - http://slack.ser.man.ac.uk/
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