[R] AOV in MASS not the same??

[ripley@stats.ox.ac.uk]

On Tue, 6 Aug 2002, Peter Ho wrote:

> I would appreciate it if someone could explain the results of the
> example from the aov() help file. The output given below is different
> from book
> Venables and Ripley -  MASS

You forgot to set the the contrasts!

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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