Hi Naama,
I'm sure Matt would have a better idea on this, but could you specify the command you're run and give us a simplified version (say with 2 subjects in each group) of your .mat .con and .fts?
Cheers,
Gwenaëlle
--- En date de : Sam 18.4.09, Naama Barnea-Goraly <[log in to unmask]> a écrit :
> De: Naama Barnea-Goraly <[log in to unmask]>
> Objet: [FSL] F-test error
> À: [log in to unmask]
> Date: Samedi 18 Avril 2009, 2h19
> I am trying to run an F-test to look for FA differences
> between 3 groups, but get the following error message:
>
> 8.54992e+08 permutations required for exhaustive test of
> t-test 1
> Doing 500 random permutations
> Starting permutation 1 (Unpermuted data)
> ERROR: Program failed
>
> An exception has been thrown
> Logic error:- detected by Newmat: index error: requested
> indices = 1, 1
>
> MatrixType = Rect # Rows = 0; # Cols = 1
>
>
> Exiting
>
>
> Any ideas what might be wrong?
>
> Thanks,
>
> Naama
>
>
>
>
>
> Naama Barnea-Goraly M.D.
> Instructor
> Center for Interdisciplinary Brain Sciences Research
> Stanford University Division of Child and Adolescent
> Psychiatry
> 401 Quarry Rd. MC 5795
> Stanford University School of Medicine
> Stanford, CA 94305-5795
> Phone: (650) 736-1874, fax: (650) 724-4794
>
>
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