[R] Scaling variables to positive values using scale() or performing BoxCox on negative data

Karl Ove Hufthammer karl at huftis.org
Tue Dec 1 07:54:52 CET 2009


On Mon, 30 Nov 2009 16:47:41 +0000 Henry Thorogood 
<henry.thorogood at gmail.com> wrote:
> The scale function seems to have tackled the skew, just looking at the
> boxplots for the data.

No, the 'scale' function does absolutely nothing to change the skew; 
it's only a linear transformation.

-- 
Karl Ove Hufthammer




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