Re: [R] R² in a non-linear regresion analisys

From: Karl Ove Hufthammer <>
Date: Mon, 07 May 2007 16:30:56 +0200

Douglas Bates:

> It may seem "obvious" how to define the multiple correlation
> coefficient R^2 for a non-linear regression model but it's not.

A couple of articles explaining why, that may be of interest:

Anderson-Sprecher R. (1994). ‘Model comparisons and R²’. The American   Statistician, volume 48, no. 2, pages 113–117.

Kvålseth T.O. (1985). ‘Cautionary note about R²’. The American   Statistician, volume 39, no. 4, pages 279–285.

Karl Ove Hufthammer

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