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Re: st: R-squared


From   Inés Rodríguez <irodriguez@udesa.edu.ar>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: R-squared
Date   Wed, 25 Jun 2008 14:57:44 -0300 (ART)

Dear Karoline:

R-squared = (TSS-RSS)/TSS, where TSS = sum of squares of y-ybar and RSS =
sum of squares of y-yhat. Sometimes this formula is presented as R-squared
= RSS/ TSS

That idea is already discussed in the FAQ which
answers your question:

FAQ     . . . . . . . . . . . . . . . . . . . . . . . Do-it-yourself
R-squared
        . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  N. J.
Cox
        9/03    How can I get an R-squared value when a Stata command
                does not supply one?
                http://www.stata.com/support/faqs/stat/rsquared.html


> Hi!
>
> I just have a question, and I would be very thankful if anybody could be
> able to help me.
>
> Is it possible to make STATA9 to calculate R-squared and adj R-squared
> when I'm running an arima?
> Is it a command that I can use to calculate it?
>
> Best regards
> Karoline Erlandsen
>
>
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