Hi Julia, qdec cannot handle 3 levels. You'll have to use the command-line stream (ie, creating your own fsgd and contrasts and running mris_preproc, mris_surf2surf, and mri_glmfit). doug
Richter, Julia wrote: > Dear freesurfer experts, > > I am trying to run a volume analysis with qdec. One of my discrete variables > has 3 three levels...Is Freesurfer capable of creating a FSGD file of a > discrete variable like this? > > When I m running the analysis, the terminal also says "no contrasts > specified" after trying to read the source surface. What is wrong here? > > Thank you all so much for your help, > > Julia > > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.