FreeSurfer Experts, I have a data set which comprises one group and the co-variate IQ. I would like to correlate this data set with the dependent measure LGI. I originally performed this in QDEC, however I read elsewhere that a vertex-by-vertex correlation cannot be done in QDEC. Further, I read that it must be done via command line with mri_glmfit and the --pvr flag. I am confused as to what sort of file I should input into the --pvr flag (do I run a separate analysis?, etc).
Any advice would be extremely helpful. Respectfully, -Tim Timothy Hendrickson Department of Psychiatry University of Minnesota Mobile: 507-259-3434 (texts okay)
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