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 <fischl@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 open file/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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