Hi Marc,
On 24 May 2007, at 19:40, Marc Dubin wrote:
> Thank you...
> Re question 2, the shell script tbss_2_reg can take the command
> line flag, -f target.hdr (user chosen target)
No it can't! :)
I assume you're referring to the line:
if [ -f target.hdr ] ; then
This isn't a command-line option, it is an automatic test to see if
you have put target.hdr in place in FAi and if so use that instead of
the NxN registrations.
Hope that makes sense?
Cheers, Steve.
> to do N comparisons instead of NxN. But I think you end up with a
> skeleton with N-1 timepoints.
> -Marc
>
> On 5/24/07, Steve Smith <[log in to unmask]> wrote: On 24 May
> 2007, at 11:01, Marc Dubin wrote:
>
> > Two other quick questions...
> >
> > 1. I would look at tbss_tstat2 in this case and tbss_tstat1 would
> > be unimportant?
>
> It depends on your contrasts. If contrast 2 is asking about
> correlation with EV2 then yes that's the one of interest.
>
> > 2. If I passed a -f flag for pre-chosen target to tbss_2_reg then
> > the target will not be included in all_FA_skeleton (reducing my n
> > by 1), right?
>
> Sorry - I can't tell what you're asking - tbss_2_reg doesn't take any
> arguments?
>
> Steve.
>
>
> >
> > Best,
> > Marc
> >
> > On 5/23/07, Steve Smith < [log in to unmask]> wrote:Hi - yes,
> > setup the model with Glm (or Glm_gui) and make the first EV
> > constant and the second the demeaned subject scores (see the FEAT
> > manual, higher-level example setups for exactly this example).
> >
> > Cheers.
> >
> >
> > On 23 May 2007, at 21:53, Marc Dubin wrote:
> >
> > > Hello all,
> > >
> > > I am new to TBSS.
> > >
> > > I have a 4D all_FA_skeletonised file
> > > containing 10 subjects (time points) and want to see
> > > while voxels are linearly correlated with performnce on
> > > a cognitive test (with integer score). Does anyone know
> > > which function to use?
> > >
> > > Thanks!
> > > Marc
> >
> >
> >
> ----------------------------------------------------------------------
> > --
> > ---
> > Stephen M. Smith, Professor of Biomedical Engineering
> > Associate Director, Oxford University FMRIB Centre
> >
> > FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
> > +44 (0) 1865 222726 (fax 222717)
> > [log in to unmask] http://www.fmrib.ox.ac.uk/ ~steve
> >
> ----------------------------------------------------------------------
> > --
> > ---
> >
> >
> >
> > --
> > 646 831 8886
> > [log in to unmask]
>
>
> ----------------------------------------------------------------------
> --
>
> ---
> Stephen M. Smith, Professor of Biomedical Engineering
> Associate Director, Oxford University FMRIB Centre
>
> FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
> +44 (0) 1865 222726 (fax 222717)
> [log in to unmask] http://www.fmrib.ox.ac.uk/~steve
> ----------------------------------------------------------------------
> --
> ---
>
>
>
> --
> 646 831 8886
> [log in to unmask]
------------------------------------------------------------------------
---
Stephen M. Smith, Professor of Biomedical Engineering
Associate Director, Oxford University FMRIB Centre
FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
+44 (0) 1865 222726 (fax 222717)
[log in to unmask] http://www.fmrib.ox.ac.uk/~steve
------------------------------------------------------------------------
---
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