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Re: st: how to get hold of the observations used in reg2hdfe


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: how to get hold of the observations used in reg2hdfe
Date   Wed, 30 Jan 2013 16:57:29 +0000

Comments made yesterday still apply:

http://www.stata.com/statalist/archive/2013-01/msg01170.html

http://www.stata.com/statalist/archive/2013-01/msg01169.html

http://www.stata.com/statalist/archive/2013-01/msg01155.html

Please give a reproducible example based on a Stata-bundled dataset
and precise commands that people can copy.

Nick

On Wed, Jan 30, 2013 at 3:35 PM, natasha agarwal
<agarwana2@googlemail.com> wrote:

> I want to see the observations used.
>
> Like the top RHS shows I have used 3000 observations out of a dataset
> of 4000. So I want to see which one's are used.

On Wed, Jan 30, 2013 at 3:13 PM, Guo Xu <guo.xu@okfn.org> wrote:

>> Are you trying to count the number of obs used? Doesn't that just show
>> up on the top RHS of the output ("Number of obs")?
>>
>> Or are you trying to count the number of regressors/degrees-of-freedom?

On 30 January 2013 16:04, natasha agarwal <agarwana2@googlemail.com> wrote:

>>> I am trying to estimate a model with reg2hdfe.
>>>
>>> I tried to count the number of observations with "count if e(sample)"
>>>
>>> However, I am unable to do the same after reg2hdfe. I get an output which says 0
>>>
>>> Has someone had the same problem ?
>>>
>>> Help will be greatly appreciated.
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