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Hello Freesurfer friends!
I'm going through the "paired analysis" tutorial and am running into an issue
with the mri_glmfit. I am running on just one subject pair.
https://surfer.nmr.mgh.harvard.edu/fswiki/PairedAnalysis#Runmriglmfit
I ran mris_preproc on my 2 timepoints and am getting an error at mri_glmfit
mris_preproc --target fsaverage --hemi lh \
--meas thickness --out lh.paired-diff.thickness.mgh \
--fsgd pairs.fsgd --paired-diff
mri_glmfit \
--glmdir lh.paired-diff \
--y lh.paired-diff.thickness.sm05.mgh \
--fsgd paired-diff.fsgd \
--osgm \
--surf fsaverage lh
I am getting an ERROR: DOF = 0.
MRI's have been put through recon-all and are in there own directories within
SUBJECTS_DIR.
What is the cause of the error?
Thanks,
Ken
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