Hi,
I've just tested a mini-example and re-running registration-only
doesn't seem to cause a problem for higher-level analyses. Is it
possible that you reran poststats as well as registration? Can you
check the design.con files to see which ones don't look right?
Cheers.
On 7 Nov 2008, at 21:03, Katie Karlsgodt wrote:
> Hi,
> I just recently switched to fsl4 and am having some problems
> (using 4.1.1). I ran a group of 25 subjects, all in the same feat
> batch with the exact same parameters. I then re-ran registration-
> only on all of the same subjects, registering them to the same
> common brain. Now I'm trying to run a group analysis of the same
> subjects. It starts off fine, but then I get this error:
>
> /space/raid/fmri/fsl-4.1.1-centos4_64/bin/fslmaths varcope1 -mas
> mask varcope1
> Error - not all input FEAT directories have valid and compatible
> design.con contrast files.
>
> The problem is, I can't figure out what the problem is. All subjects
> were run together, and I checked with diff and there was no
> difference between any of their design.con files. Is there some
> other way to arrive at this error? I tried checking permissions,
> none of the files are zipped, I just created all this morning in the
> same version of fsl I'm using for the group, and I'm not sure where
> else to look. Is it possible that fsl4 can't run group analyses if
> registration-only has been run after the initial contrasts were run?
> Any pointers to where I can look would be much appreciated!
> thanks,
> Katie
>
>
>
> _________________________________________
> Katie Karlsgodt, Ph.D.
> Post Doctoral Fellow, Neurogenetics Affinity Group
> Semel Institute
> University of California, Los Angeles
>
> phone: 310-794-9673
> fax: 310-794-9740
>
>
>
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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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