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Re: st: error while doing IV


From   Arka Roy Chaudhuri <gabuisi@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: error while doing IV
Date   Wed, 29 Sep 2010 01:50:53 -0700

Thanks everybody for all your help. The variable districtid is indeed
a string variable.

Arka

On Tue, Sep 28, 2010 at 11:26 AM, Rafal Raciborski
<rraciborski@stata.com> wrote:
> Christopher Baum <kit.baum@bc.edu> asked:
>
>> Are you saying that -ivregress- will be fixed so that
>>
>> ivregress 2sls mpg weight foreign, cluster(manufacturer)
>>
>> works properly (identifying 23 clusters) when applied to manual dataset auto7?
>
> Yes.
>
> All Stata commands that accept -cluster(clustvar)- or -vce(cluster clustvar)-
> should handle numeric and string 'clustvar'.  For the time being the workaround
> for -ivregress- with a string 'clustvar' is to generate a numeric counterpart
> via -egen ..., group()- or -encode-.
>
> --Rafal
> rraciborski@stata.com

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