Re: [Freesurfer] QDEC Multigroupal analysis

2010-05-28 Thread Nick Schmansky
qdec currently only supports two levels to a group. i thought qdec issued a better error message in this case, so that will need to be improved. to do a three-level group analysis, you will need to do it manually. see: http://surfer.nmr.mgh.harvard.edu/fswiki/FsgdExamples and http://surfer.nmr

[Freesurfer] QDEC Multigroupal analysis

2010-05-28 Thread Jordi Delgado
Dear Experts, I'm trying to use QDEC for a Multigroupal analysis. I've read in the wiki that QDEC uses a GLM method to perform the analysis, but when I load a table with 43 subjects aprox. of three different groups and I run the analysis, at 70% QDEC shows me the following error: Error in Analyze