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Re: st: RE: r(1000) error when running xi


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: r(1000) error when running xi
Date   Tue, 1 Nov 2011 07:44:00 +0000

The error "too many macros" is not the same as the error on macro
length you reported earlier.

On Tue, Nov 1, 2011 at 7:08 AM, A Loumiotis <antonis.loumiotis@gmail.com> wrote:
> The problem is not limited to -xi- of -ice-.  For example the
> following code stops with a r(920) error when the length of local test
> reaches 165198.
>
> local test
> forvalues i=1/166000 {
>        local test "`test' `i'"
>        local ctest : length local test
>        di "`ctest'"
> }
>
> ...
> 165180
> 165186
> 165192
> 165198
> too many macros
> r(920);
>
>
>
> On Mon, Oct 31, 2011 at 2:55 PM, Nick Cox <n.j.cox@durham.ac.uk> wrote:
>> I do have a wild guess, which is that the limit on macro length may be affected by a -version- declaration somewhere along the computational path.
>>
>> Nick
>> n.j.cox@durham.ac.uk
>>
>>
>> -----Original Message-----
>> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox
>> Sent: 31 October 2011 12:40
>> To: 'statalist@hsphsun2.harvard.edu'
>> Subject: RE: st: RE: r(1000) error when running xi
>>
>> I see. There is a division of labour here: if the problem appears to be in -ice- then tech-support is likely to refer you to its author.
>>
>> I have no guesses what is going on. I try never to estimate more about seven parameters at a time.
>>
>> Nick
>> n.j.cox@durham.ac.uk
>>
>> A Loumiotis
>>
>> Thanks Nick.
>> I will contact tech support and I will take your advise from now on
>> and clone official stata commands before I modify them.
>>
>> The problem occurs when I use -ice- which does not accept factor
>> variables (and the -ice- code uses xi).
>>
>> SJ-9-3  st0067_4  . Mult. imp.: update of ice, with emphasis on cat. variables
>>        (help ice, uvis if installed) . . . . . . . . . . . . . . . P. Royston
>>        Q3/09   SJ 9(3):466--477
>>        update of ice package with emphasis on categorical
>>        variables; clarifies relationship between ice and mi
>>
>>
>> On Mon, Oct 31, 2011 at 2:09 PM, Nick Cox <n.j.cox@durham.ac.uk> wrote:
>>> Also, -xi:- is not needed in Stata 11, given the introduction of factor variables.
>>>
>>> Nick
>>> n.j.cox@durham.ac.uk
>>>
>>> A Loumiotis
>>>
>>>
>>> I get the following error when I run xi:
>>>
>>> system limit exceeded - see manual
>>> r(1000);
>>>
>>> I modified a bit xi and measured the length of the local orig and
>>> found out that the error occurs when the macro length of orig exceeds
>>> 165198.  I'm surprised because I'm not using Stata/IC where the macro
>>> limit is 165,200 but I'm using Stata/MP where the macro limit is
>>> 1,081,511.  Do you know why this is happening?
>>>
>>> My version of Stata is the following:
>>>
>>> .about
>>> Stata/MP 11.2 for Windows (32-bit)
>>> Born 01 Sep 2011
>>> Copyright 1985-2009 StataCorp LP
>>>
>>> Total physical memory:     2097151 KB
>>> Available physical memory: 1726136 KB
>>>
>>
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