It looks like your fsgd file may have been created on a windows 
computer. Is that possible? Try reformatting it in linux or mac.

doug

On 08/20/2014 12:58 PM, Robby De Pauw wrote:
>
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> Hi there FreeSurfer
>
> When trying the GLM-analysis I keep getting the following error. Could 
> you help me with fixing it?
>
> ERROR: matrix is ill-conditioned or badly scaled, condno = 1e+08
> --------------------------------
> Possible problem with experimental design:
> Check for duplicate entries and/or lack of range of
> continuous variables within a class.
> If you seek help with this problem, make sure to send:
> 1. Your command line:
> mri_glmfit --y lh.whiplash.thickness.10B.mgh --fsgd whiplash.fsgd dods 
> --C group_diff.mtx --surf fsaverage lh --cortex --glmdir 
> lh.whiplash.glmdir
> 2. The FSGD file (if using one)
> 3. And the design matrix above
>
> Thank you in advance,
>
>
> Robby
>
>
> Robby De Pauw, dra.
> *Ghent University*
> Department of Physiotherapy and Rehabilitation Sciences
> 3B3
> De Pintelaan 185
> B-9000 Ghent
>
> robby.dep...@ugent.be <mailto:robby.dep...@ugent.be>
>
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> _______________________________________________
> 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

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