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I tried running mri_glmfit and this error is occurring -

WARNING: gdfReadV1: class B,,,,, is defined but not used.

INFO: DeMeanFlag keyword not found, DeMeaning will NOT be done.

Continuous Variable Means (all subjects)

0 ,,,Gender,Age,AQ_Top_Quart nan nan

Class Means of each Continuous Variable

1 B,,,,,      nan 

2 NB,,,,,      nan 

INFO: gd2mtx_method is dods

Reading source surface /Applications/freesurfer/BAP/group_analysis_data/qdec/fsaverage/surf/lh.–-glmdir

MRISread(/Applications/freesurfer/BAP/group_analysis_data/qdec/fsaverage/surf


This is probably related to some error in my .mtx file. 


Thank you, 

Alex Job


On Fri, Apr 24, 2020 at 12:31 AM Lab of Autism and Developmental Neuroscience, Lab of Autism and Developmental Neuroscience <ladn@email.gwu.edu> wrote:
Dear Freesurfer experts,

I am a little bit confused on how I should construct my .mtx file to be used in mri_glmfit. The following variables are what I have used in my fsgd file: 
GroupDescriptorFile 1,,,,
Title Study,,,,
Class B,,,,
Class NB,,,,
Variables ,,,Gender,Age
Input, Sub_ID,NB,F,71
Input, Sub_ID, B, F, 80 

Please let me know if you need more information on my work. Thank you! 

All the best, 
Alex Job