[R] Type III Sums of Squares

[Peter Dalgaard BSA]

"Moffet, Corey" <Corey.Moffet at ttu.edu> writes:

> I am trying to reproduce an analysis done in SAS from which Type III Sums of
> squares are used. How can you get Type III sums of squares in an aov similar
> to what SAS provides?

drop1(), except that R will refuse to test main effects in the presence
of an interaction. 

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