Hi, yes this is easy; make sure you have the latest version 4.1, then
you'll see in the GUI the cobfijbx EVs button in the stats tab. Set a
filename and save the design.fsf to see the scripting syntax. Cheers
--------------------
Stephen M. Smith, Professor of Biomedical Engineering
Associate Director, Oxford University FMRIB Centre
FMRIB, JR Hospital, Headington,
Oxford. OX3 9 DU, UK
+44 (0) 1865 222726 (fax 222717)
[log in to unmask]
http://www.fmrib.ox.ac.uk/~steve
----------------------
On 20 Feb 2009, at 21:18, Todd Thompson <[log in to unmask]> wrote:
> Hi, all. I've been cross-checking some my data analysis from SPM with
> FSL, and it's been very useful for finding some (incorrect) settings
> I'd forgotten I'd made.
>
> However, there's one thing that I can't figure out how to do in FSL
> that's easy in SPM: adding a non-standard number of nuisance
> regressors per subject. Using the artifact rejection toolbox in SPM
> (http://www.fil.ion.ucl.ac.uk/spm/ext/#ArtRepair), you can clean up
> your data by adding entire volumes as nuisance regressors. So if you
> have a few signal intensity spikes that you'd like to keep out of your
> residual, you can add an individual nuisance regressor for each
> outlier volume in a run.
>
> This works in SPM because it's simple to write scripts that build
> contrasts using the regressor names, rather than the regressor
> indices. The fact that different subjects may have very different
> numbers of regressors doesn't stop you from doing batch analysis.
>
> I can't figure out how to do a similar thing in FSL. To batch my
> analyses, I've created a template .fsf file, then (as suggested by
> this mailing list), used simple scripts to search and replace
> subjectIDs and directory names to create individual feat setup files.
> This works fantastically when every subject has the same number of
> EVs, but how do I make it work when subjects have different numbers of
> EVs?
>
> Thanks!
> Todd
>
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