Since I have 4 groups here: X1-M, X2-M, X1-F and X2-F, so can someone please confirm if this is identical to this example: https://surfer.nmr.mgh.harvard.edu/fswiki/Fsgdf4G1V

If so, then I can follow instructions on this page and set up my contrast files accordingly.

Thanks.

On Mon, Feb 12, 2018 at 3:18 PM, Martin Juneja <mj70481@gmail.com> wrote:

Hi FS experts,

I have two population groups X1 (controls) and X2 (patients). I am interested in calculating impact of sex (F or M) on causing difference between both groups e.g. I am interested in following 4 contrasts:

X1 (F) > X1 (M)
X2 (F) > X2 (M)
X1 (F) > X2 (F)
X1 (M) > X2 (M)
X1 (M+F) > X2 (M+F)

Could you please provide any directions on how can I set this up in QDEC (if possible) and/or by command line?

Thanks.