On 21/05/11 15:15, Sam Chand wrote:
> Hello R-users,
> I am trying to obtain Type III SS for an ANOVA with subsampling. My design
> is slightly unbalanced with either 3 or 4 subsamples per replicate.
>
> The basic aov model would be:
> fit<- aov(y~x+Error(subsample))
>
> But this gives Type I SS and not Type III
<SNIP>

You ***really should*** have a look at

    www.stats.ox.ac.uk/pub/MASS3/Exegeses.pdf


cheers,

         Rolf Turner


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