[R] Doubt about aov and lm function... bug?

Peter Dalgaard p.dalgaard at biostat.ku.dk
Wed Apr 8 22:40:57 CEST 2009


Rolf Turner wrote:
> 
> There is no bug.
> 
> Both of your examples work fine for me.  

Ditto

You may have a corrupt
> version of ``iris'' somewhere in your search path before ``datasets''.
> 
> What does find("iris") tell you?  What does names("iris") tell you?

Could also be something interfering with the model.frame/model.matrix 
bits. The error message suggests that something did a substitute of ".", 
but I can't offhand see a parse(text=x) construct in any of the usual 
suspects. A traceback() could be informative.

-- 
    O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
   c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
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