so if you click "analyze" without gender it works fine? Sorry, I missed 
that. I think you'll need to wait for Doug or Nick to reply, but you might 
send your qdec file and the group.levels files

sorry
Bruce

On Mon, 26 May 2014, Saloni Sharma wrote:

> Hey Bruce,
> 
> Yes, that directory exists, as I said if I only choose groups(high stress
> and low stress) as the discrete variables its runs fine and analyses, it
> only shows the error if I add more factors (like gender) into the software.
> 
> My subjects directory is set to
> export SUBJECTS_DIR=/tallaght-disk4/IMAGEN/Saloni_data/freesurfer_output/
> 
> and yes I have run recon-all-qcache on all my subjects.
> 
> Saloni
> 
> 
> On 26 May 2014 16:58, Bruce Fischl <fis...@nmr.mgh.harvard.edu> wrote:
>       Hi Saloni
>
>       Does that directory exist? What is your SUBJECTS_DIR set to? And
>       have you
>       run recon-all -qcache on all your subjects?
>
>       cheers
>       Bruce
>       On Mon, 26 May 2014, Saloni Sharma wrote:
>
>       > Dear Freesurfers,
>       >
>       > So I have followed all the instructions given on your website
>       in order to
>       > use qdec. When i analyse the images only using a file
>       group.levels that
>       > defines the two groups I'm comparing the analysis runs fine
>       and gives me
>       > results, but when I add gender, for instance, as a discrete
>       factor, it loads
>       > the data successfully but when I click analyse it shows the
>       following error:
>       >
>       > Error in Analyze: Couldn't 
> openfile/tallaght-disk4/IMAGEN/Saloni_data/freesurfer_output/000072882642/surf/
>       lh.t
>       > hickness.fwhm10.fsaverage.mgh
>       >
>       > Please guide me as to what is going wrong and what I can do to
>       fix it. I
>       > would appreciate a quick response as my thesis submission is
>       due in two
>       > weeks and I cannot proceed until this problem is sorted.
>       >
>       > Thanks and regards,
>       > Saloni
>       >
>       >
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