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Re: st: Fwd: How to interprete dummy variables used for missing values


From   Quang Nguyen <quangn@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Fwd: How to interprete dummy variables used for missing values
Date   Fri, 11 Feb 2005 21:08:10 -1000

Hi Daniel,

Thanks so much for showing me how to create indicators for the year.
It is very helpful. That said, I am not sure how I can interpret the
findings. Supposedly, I run a regression of some variables, e.g.,
Savings on Investement and the new variable, then how I can interprete
the coeficients?

Thanks again. I highly appreciate it.

Have A Wonderful Day!
Sincerely yours,

Quang 


On Sat, 12 Feb 2005 00:48:28 -0500, Daniel Egan <dp.egan@gmail.com> wrote:
> Hi Quang,
> 
> 
> > My friend has a panel data in the following format:
> >
> > Year        Investment
> > 1900        . (Missing value)
> > 1930        .
> > 1960        12
> > 1980         .
> > 1990        28
> > 1991        56
> > 1992        35
> > 1993        45
> > etc.,
> >
> > Could you please tell me how she can use the dummy variables for this
> > exercise (regression)? Also, how she can interprete the coeficients
> > for Investment and the dummy variables?
> >
> 
> If you are asking how to create indicators for the years that have
> missings, simply
> 
> gen missdum=0
> replace missdum=1 if investment==.
> 
> If this is not what you mean, you will need to explain what you want
> to do further.
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>
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