[R] effect size

[Prof Brian Ripley]

I think you want to call summary.lm on the aov object, but this depends on 
what you mean by `effect size'.

For example, R does have an effects() function, and that might be what you 
want.

On Mon, 15 Mar 2004, David A. van Leeuwen wrote:

> Having searched google '[R] aov effect size' without any results I 
> wonder if I not completely miss something. 
> 
> Is there any R function that calculates the effect size of an AOV's main 
> effect or interaction effect?  It should be related to the F's and the 
> degree of freedom of the error, but the multitude in numbers in aov() 
> baffle me a bit.

Given that, I wonder if you are used to standard terminology.

-- 
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)
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