Hi - there are many improvements to randomise in FSL 4.0 - you should
use this even if you are needing to use FSL 3.3 for everything else.
Cheers.
On 17 Dec 2007, at 18:14, Ben Yerys wrote:
> Hello,
>
> I am trying to run a one-sample regression with randomise in fsl
> 3.3, but
> the analysis aborts after running 2355 permutations. The only
> message I
> receive is "Aborted." I create my design matrix using GLM in the
> following
> manner:
>
> n=9 participants
>
> Group ev1 (constant) ev2(variable of interest)
> 1 1 25
> 1 1 25
> 1 1 1
> 1 1 25
> 1 1 8
> 1 1 5
> 1 1 1
> 1 1 25
> 1 1 1
>
> Contrasts& F-tests ev1 ev2
> c1 (constant) 1 0
> c2 (positive) 0 1
> c3 (negative) 0 -1
>
> I use the following command to call randomise: randomise -i
> all_FA_skeletonised.nii.gz -o output_name -m
> mean_FA_skeleton_mask.nii.gz -d
> design.mat -t design.con -c 3 -V -n 2520
>
> Any thoughts/suggestions as to what is forcing fsl to abort would be
> most
> helpful!
>
> Thanks in advance for sage wisdom,
> Ben
>
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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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