Hi Freesurfers, I compared 2 groups, while controlling for 1 covariate in qdec using freesurfer 5.1.
There were no significant interactions with the covariate so I need to use DOSS. I read on several post that DOSS has some bugs related to the generation of contrasts in qdec and that mri_glmfit should be used to run a DOSS analysis. However, when I ran my analysis with DOSS in qdec I saw that the C.mat file looked like this: 1 -1 0, which seems correct to me. My question is can I use DOSS in qdec in this case? Or are there other bugs related to using it in qdec? Thank you so much!
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