[R] anova

Thomas Lumley thomas at biostat.washington.edu
Fri Aug 11 17:32:14 CEST 2000

On Fri, 11 Aug 2000, Peppy Adi Purnomo wrote:

> hello,
> I have a very old R version

Actually, you have two very old R versions -- 0.64.2 is seriously obsolete

>				 which calculates anova table for a stream of
> outcomes say: 1,5,4,3,2,4,5,2 which are grouped into 4 blocks, say A,B,C,D,
> of 2 say namely X,Y
> What is the command in R 0.64.2 to do this?  My very old R command is
> anova.table but this command is unkown in R 0.64.2

You probably want to use aov().  It fits the model, then anova() displays
the classical ANOVA table.

aov() takes a formula as its input,eg
for a one-way ANOVA. This would have y<-c(1,5,4,3,2,5,4,5,2) and

There are commands to simplify constructing balanced designs like block,
see help(gl) and help(rep).


Thomas Lumley
Assistant Professor, Biostatistics
University of Washington, Seattle

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