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Re: st: re: math operations with estimation results from two different estimates


From   Dragutin Culinovic <dragutin.statalist@gmail.com>
To   STATALIST <statalist@hsphsun2.harvard.edu>
Subject   Re: st: re: math operations with estimation results from two different estimates
Date   Sun, 15 Mar 2009 15:10:23 +0100

Yes, but what if I have results from estimates stored in eg. estimate1
and estimate2.

THX

On Sun, Mar 15, 2009 at 1:28 PM, Kit Baum <baum@bc.edu> wrote:
> <>
> Dragutin said
>
> I would like to subtract value of SSR from estimate stored in e1, from
> that stored in e2.
>
> "SSR" is ambiguous in that some textbooks define it as SS due to Regression
> (model SS) and some define it as SS Residuals (error SS). Let's assume he
> means the latter.
>
> sysuse auto,clear
> reg price mpg weight turn
> scalar rss1 = e(rss)
> reg price mpg headroom trunk
> scalar rssd = e(rss) - rss1
> di "difference in error SS: " rssd
>
> Kit Baum   |   Boston College Economics and DIW Berlin   |

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