Hello Freesurfers, 

I am trying to run regression analyses within patients and one variable of interest which adjusting for the nuisance variables age, IQ, thickness. When i select the group and the CD (variable of interest) and run analyses (DODS), I get the following error: 

Qdec 1.4 (Qdec1.4)

Type: Error

Time: Fri Jun 14 14:49:37 2013

Description: Error in Analyze: command failed: mri_glmfit --y /Applications/freesurfer/subjects/qdec/Untitled/y.mgh --fsgd /Applications/freesurfer/subjects/qdec/Untitled/qdec.fsgd dods --glmdir /Applications/freesurfer/subjects/qdec/Untitled --surf fsaverage lh --C /Applications/freesurfer/subjects/qdec/Untitled/contrasts/lh-Avg-Intercept-thickness.mat --C /Applications/freesurfer/subjects/qdec/Untitled/contrasts/lh-Avg-thickness-CD-Cor.mat --C /Applications/freesurfer/subjects/qdec/Untitled/contrasts/lh-Diff-CONTROLS-PATIENTS-Intercept-thickness.mat --C /Applications/freesurfer/subjects/qdec/Untitled/contrasts/lh-Diff-CONTROLS-PATIENTS-Cor-thickness-CD.mat

Please advice!

Regards,

Manish Dalwani

Instructor

Dept. of Psychiatry

University of Colorado

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