Dear freesurfer experts, I am new to Qdec analysis and I trying to do( using the information provided in the qdec wiki page) group surface analysis in SCA patients 1and 2 and compare their surface thickness using qdec command. The data table is loading successfully but when I go the design and click on When I click on the Analyze button (this is after I changed the Untilted folder to the lh-thickess-10), I am getting the following error:
ERROR: QdecGlmDesign::Create: could not create directory /usr/local/freesurfer/subjects/qdec/lh-thic k ness-10 For display purposes, I put the average subject included in SUBJECTS_DIR which is in /home/anup/Desktop/freesurfer_processed/qdec, with the following bash command: if [ ! -e fsaverage ]; then ln -s $FREESURFER_HOME/subjects/fsaverage; fi I have Discrete facrors: Gender (Male and Female) and Diagnosis (divided into SCA1 and SCA2) and Continous factors: Age, CAG repeat, lh-thickness and rh-thickness. Will you please let me know where am I going wrong? Any help will be forever appreciated! Thanks and regards, Sampada
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