Re: extreme value

From: Bob Wheeler <bwheeler@xxxxxxxxx>
Date: Mon, 11 Jul 2005 08:21:26 -0400

thierry wrote:

hi,
I'm working with a regression equation like : Y = - 2000 + 544*var1 +
1166*var2 - 487*var3.
as you see, I have an intercept (-2000) negative, and it is due to extreme
values on my data.
what should I do ? ideally, I want to have a positive intercept. !!!!!!!!!
Thank you.

Center your variables by subtracting their means before calculating the coefficients. It is polite to sign your messages with name and affiliation.

--
Bob Wheeler --- http://www.bobwheeler.com/
        ECHIP, Inc. ---
Randomness comes in bunches.
.

References:
- extreme value
  - From: thierry

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