Re: [Freesurfer] GLM contrast vector for continuous variable interaction

Thanks Douglas. That is exactly what I wanted. Kind regards, Bronwyn Overs Research Assistant Neuroscience Research Australia Neuroscience Research Australia Margarete Ainsworth Building Barker Street Randwick Sydney NSW 2031 Australia *M* 0411 308 769 *T* +61 2 9399 1883 *F* +61 2 9399 1265

Re: [Freesurfer] GLM contrast vector for continuous variable interaction

I think this is the contrast you need 00000000 0.50.50.50.5 - 0.5 -0.5-0.5-0.5 On 10/19/2014 06:33 PM, Bronwyn Overs wrote: > Dear Freesurfer Mailing List, > > I am running a GLM in freesurfer 2 categorical variables (2 levels), > and three c