That will compute the main effect of diagnosis. Is that what you want?

On 07/12/2017 10:29 AM, haidong wang wrote:
> Hello FS expert,
>         I have four groups and two covariables. The groups are
> MCI_P,MCI_S,MCI_R,NC and the covariables are age and education. I want
> to test the thickness differences of the groups regressing out  age
> and education.My group.effect.mtx is as following with the feedback of
> error.
> 1 -1 0 0 0 0 0 0 0 0 0 0
> 1 0 -1 0 0 0 0 0 0 0 0 0
> 1 0 0 -1 0 0 0 0 0 0 0 0
>        Thanks! I am looking forward for your prompt reply.
>                     Yours,
>                      Haidong
>
>

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