Difference in behaviour of model.matrix

[Peter Dalgaard BSA]

Douglas Bates <bates@stat.wisc.edu> writes:

> I would be willing to admit that our code should perhaps be redesigned
> to avoid this unfortunate construction.

On the other hand, the R model.xxx code has been in for a rewrite for
quite some time...

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)             FAX: (+45) 35327907
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