## Manuel,

## Please look at the maiz example in ?mmc in the HH package.

install.packages("HH")  ## if necessary
library(HH)
?mmc

## After the full maiz example, then you need one more command

maiz.proj <- proj(maiz.aov)
maiz.proj

## I think you are looking for
maiz.proj$Within[, "Residuals"]

## Rich

On Wed, Jul 16, 2014 at 9:46 AM, Manuel Lambert
<lambert_man...@hotmail.com> wrote:
>
>
>
> Hello,
> I'm having problems to analyse results from a RCB Design Experiment.I have 
> three blocks. For each block: four treatments (factor A), randomized. And for 
> each factor A treatment,  I have 6 differents treatments (factor C), 
> randomized.
> myAOV=aov(response ~ factorA*factorC + Block + Error(field), data)
> The model i use would be response = factorA + factorC + factorA:factorC + 
> Block (fixed effect) + Field (subplot, random effect).
> I have some good results but my problem is the following: i would like to 
> have a look at the residuals distribution and the command:
> residuals(myAOV)
> returns a NULL object. How to do then to extract the residuals? The function 
> works if i take off "Error(field)" from my aov function but this doesn't give 
> me relevant residuals right?
> Thanks a lot!
>
>
>
>
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>
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