No;  it is not thickness; it is GM/WM intensity values;

thank you for the suggestion with mri_mcsim.

2015-03-23 18:22 GMT+01:00 Douglas N Greve <gr...@nmr.mgh.harvard.edu>:

>
> Yes, 35 is more than I've precomputed. But another question is whey it
> is 35 when it looks like you've smoothed it by only 15. What is the
> nature of this data? Is it thickness?
>
> If this is something you really need/want to do, I'm recommending that
> people start using mri_mcsim instead of running the simulation from
> mri_glmfit-sim
> http://surfer.nmr.mgh.harvard.edu/fswiki/BuildYourOwnMonteCarlo
>
>
> On 03/23/2015 01:14 PM, Dídac Vidal wrote:
> > Yes,
> >
> > the mri_glmfit run correctly (also for a similar analysis where the
> > computed FWHM was under 30 mri_glmfit-sim run without problems)
> >
> > the mri_glmfit command was:
> > /mri_glmfit --glmdir $path/resultsDIR --y
> > $path/lh.all_long.wm_orig_0.2.mgh-rate.fwhm15.fsaverage.mgh --fsgd
> > $path/gender_csf_stroop4th_rate.fsgd --C $path/Stroop_simple.mtx --C
> > $path/CTh_simple.mtx --surf fsaverage lh --pvr
> > $path/lh.all_long.thickness.mgh-rate.fwhm15.fsaverage.mgh/
> >
> > I used the simulation because when I used cached data, I got this
> > following error:
> > /mri_glmfit-sim --glmdir $path/resultsDIR --cache 2.3 abs --2s
> > paces/
> >
> > /(...)
> > fwhm = 35.068253
> > ERROR: cannot find
> >
> $path/freesurfer/freesurfer.5.3.0/average/mult-comp-cor/fsaverage/lh/cortex/fwhm35/abs/th23/mc-z.csd/
> >
> >
> > I thought that the main the reason why it failed was that computed
> > fwhm was more than the maxium cached in freesurfer.
> >
> > Thank you very much again.
> >
> > 2015-03-23 17:36 GMT+01:00 Douglas N Greve <gr...@nmr.mgh.harvard.edu
> > <mailto:gr...@nmr.mgh.harvard.edu>>:
> >
> >
> >     did this run correctly with just mri_glmfit? What was your mri_glmfit
> >     command line? Why are you running a simulation instead of using
> >     cached data?
> >
> >     doug
> >
> >     On 03/21/2015 10:52 AM, Dídac Vidal wrote:
> >     > Dear Freesurfer users,
> >     >
> >     > I am trying to run mri_glmfit in simulation mode as the computed
> >     FWHM
> >     > is over 30
> >     >
> >     >         I run --> mri_glmfit-sim --glmdir GLMDIR
> >     >                 \--sim mc-z 10000 1.3 mc-z.abs.13
> >     >                 \--sim-sign abs
> >     >
> >     > However I get an dimension mismatch error
> >     >
> >     >     -->    ERROR: dimension mismatch between X and contrast
> >     [...]    X
> >     > has 6 cols, C has 7 cols
> >     >
> >     > Significantly the model included one per-vertex regressor (which is
> >     > the main reason why *mtx files have 7 cols)
> >     >
> >     >
> >     > Does anybody know how to solve this problem?
> >     > Should I create an extra column in the matrix?
> >     >
> >     > Thank you very much in advance
> >     >
> >     > --
> >     > Dídac Vidal Piñeiro
> >     >
> >     >
> >     > _______________________________________________
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> >
> >     --
> >     Douglas N. Greve, Ph.D.
> >     MGH-NMR Center
> >     gr...@nmr.mgh.harvard.edu <mailto:gr...@nmr.mgh.harvard.edu>
> >     Phone Number: 617-724-2358 <tel:617-724-2358>
> >     Fax: 617-726-7422 <tel:617-726-7422>
> >
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> >     <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting>
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> >     www.nmr.mgh.harvard.edu/facility/filedrop/index.html
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> >     Outgoing:
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> >
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> >
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> >
> > --
> > Dídac Vidal Piñeiro
> >
> >
> > _______________________________________________
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>
> --
> 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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>



-- 
Dídac Vidal Piñeiro
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