[R] Thougt I understood factors but??

Karl Ove Hufthammer karl at huftis.org
Tue Mar 2 10:12:20 CET 2010

On Mon, 1 Mar 2010 14:23:04 -0500 Liaw, Andy <andy_liaw at merck.com> 
> Indeed this is one of the (few, I believe) traps of R,

Oh, no; there are many more:
http://www.burns-stat.com/pages/Tutor/R_inferno.pdf :-)

Karl Ove Hufthammer

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