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Re: st: which STATA version for Poi's QUAIDS command


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: which STATA version for Poi's QUAIDS command
Date   Mon, 18 Mar 2013 21:22:03 +0000

So, what this implies is that -quaids- somehow or other is creating
2000 or so variables, at least temporarily.

I guess there's something wrong there, e.g. in how you are calling -quaids-.

Either way, those who know -quaids- (not me) will want to see the
precise command you tried.

Nick

On Mon, Mar 18, 2013 at 9:15 PM, Luca Tiberti <ltiberti@gmail.com> wrote:
> Hi Nick, thanks for this
>
> here is the output of describe, short
>
>
> obs:         3,860
> vars:            39                          18 Mar 2013 15:37
> size:       455,480
> Sorted by:  serial
>      Note:  dataset has changed since last saved
>
> For your info, I had already tried by keeping only variables finally
> entering into the demand system and compress them. However I was not
> able to run succesfully the command.
>
> Thanks for your help,
> Luca
>
> 2013/3/18 Nick Cox <njcoxstata@gmail.com>:
>> As I understand it, -quaids- (SJ 12-3) does not itself always require
>> space for more than 2,048 variables, but evidently your problem does.
>>
>> What does
>>
>> . describe, short
>>
>> show?
>>
>> The number of observations is immaterial here; you can't trade
>> observations for variables if you have Stata/IC and are fighting the
>> limit of 2048 variables.
>>
>> But are _all_ your variables involved in your QUAIDS problem? That
>> sounds difficult to believe. Can you -drop- some of them?
>>
>> Nick
>>
>> On Mon, Mar 18, 2013 at 8:26 PM, Luca Tiberti <ltiberti@gmail.com> wrote:
>>
>>> I am trying to use Poi's QUAIDS command with STATA 12.1 IC (just updated).
>>>
>>> Although I am running this command on a small dataset (less than 4,000
>>> obs), I get the following message:
>>>
>>> no room to add more variables
>>>       Up to 2,048 variables are allowed with this version of Stata.
>>> Versions are available that allow up to 32,767 variables.
>>>
>>> It seems that I should use the more powerful version - i.e. STATA SE.
>>>
>>> Is that correct? are there ways to use the QUAIDS command without
>>> being obliged to use STATA SE?
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