Hope it helps
----- Mensaje original -----
De: Douglas N Greve <gr...@nmr.mgh.harvard.edu>
Fecha: Lunes, 2 de Diciembre de 2013, 5:09 pm
Asunto: Re: [Freesurfer] glmfit error on v5.1
A: freesurfer@nmr.mgh.harvard.edu
> Can you send the matrix that it creates?
>
> On 12/02/2013 06:09 AM, Gabriel Gonzalez Escamilla wrote:
> > Dear Freesurfer experts,
> >
> > Sorry for the inconvenience but I posted this message last
> week, but I
> > did not receive any answer. I really need to keep going on
> with my
> > analyses.
> >
> >
> > I have runned the following command line:
> > mri_glmfit --surf PLI_MCI_sample7_avg lh --C
> >
> /root/trabajo/freesurfer/subjects/PLI_MCI_sample7_avg/stats_MRI_PET_Biomarkers/glm_files/contrast_withinE4_neg.mat
> > --fsgd
> >
> /root/trabajo/freesurfer/subjects/PLI_MCI_sample7_avg/stats_MRI_PET_Biomarkers/glm_files/lh.cortex_AVGthickness_APOB_fsgd.txt
> > dods --label
> >
> /root/trabajo/freesurfer/subjects/PLI_MCI_sample7_avg/label/lh.cortex.label
> > --y
> >
> /root/trabajo/freesurfer/subjects/PLI_MCI_sample7_avg/stats_MRI_PET_Biomarkers/lh.thickness_s12mm.mgh
> > --no-prune --glmdir
> >
> /root/trabajo/freesurfer/subjects/PLI_MCI_sample7_avg/stats_MRI_PET_Biomarkers/resultsthickness_cortex_s12mm_BiomrkrsWithin/lh.cortex_AVGthickness_APOB_contrast_withinE4_neg/
> >
> >
> > which is always prompts the following error:
> >
> > --------------------------------
> > ERROR: matrix is ill-conditioned or badly scaled, condno =
> 1.75146e+07> --------------------------------
> > Possible problem with experimental design
> >
> >
> > I'm sending attached the fsgd.txt and contras.mat files used
> in case
> > you need them
> >
> >
> > Does anyone knows what's wrong with my design?
> >
> >
> > Many thanks in advanced,
> > Gabriel.
> >
> >
> > _______________________________________________
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> > 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
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>
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> 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
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<font size="3">--------------------------<br />PhD. student Gabriel González-Escamilla<br />Laboratory of Functional Neuroscience<br />Department of Physiology, Anatomy, and Cell Biology<br />University Pablo de Olavide<br />Ctra. de Utrera, Km.1<br />41013 - Seville<br />- Spain -<br /><br />Email: ggon...@upo.es<br />http://www.upo.es/neuroaging/es/</font>
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