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Hi Matteo,

C1 and C3 are the same. C2 and C4 are the same.
These are the ones for your hypotheses. The others aren't.

All the best,

Anderson


On 9 June 2015 at 10:45, Matteo Diano <[log in to unmask]> wrote:
Dear FSL experts,
i have 3 Groups with Age de-mean as a covariate and i would make the right contrasts.
Here my contrasts:

       G1    G2    G3    age_D
C1    -1    0.5    0.5    0
C2    1    -0.5    -0.5    0
C3    -2    1    1          0
C4    2    -1    -1        0
C5    0    1    -1         0
C6    0    -1    1         0
C7    1    -1    0         0
C8    -1    1    0          0
C9    1    0    -1         0
C10    -1    0    1        0

I want to compare the G2 and G3 togheter versus G1. I tried to make these contrasts in C1,C2,C3,C4 but i don't know which combination is the right one.
Thank you very much for your helpfulness.
Regards

Matteo