[Freesurfer] Avoid interaction term in qdec?

Yang, Daniel

3 Sep 2013 3 Sep '13

8:45 p.m.

Dear FS Experts,

My model has two categorical variable: Diagnosis and Sex. I am interested in the effect of Diagnosis but I want to control the Sex effect. Toward this goal, I want to model two main effects and want to avoid modeling their interaction term. Is this something feasible in FreeSurfer group analysis? Would using DOSS help with the solution?

Thanks! Daniel

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