[R] ANOVA Estimated effects may be unbalanced

[Jim Lemon]

On 05/20/2013 10:52 AM, Luis Fernando García Hernández wrote:
> Dear All,
>
> This is a data relating leg shaking on differenntre treatments. I reused
> several individuals so I want to know 1) if there are significative
> differences on shaking per treatment and 2) if the reused individuals
> presented some effect or significative variation.
>
> Nevertehless when I make
>
> model1<-aov(Legshaking~Idmale*Idfemale*tratament)
>
> or
>
> model1<-aov(Legshaking~Idmale+Idfemale+tratament)
>
> I get
>
> 13744 out of 13824 effects not estimable
> Estimated effects may be unbalanced
>
> What could be wrong here? Any advice about how to handle this data in R
> will be welcome!
>
Hi Luis,
Are you sure that you don't want to compare males and females as a group 
and not every individual male and female?

Jim