Hi,
Sorry - I'm really not sure what is happening here.
If you can make a tar of all the relevant data and upload it to:
http://www.fmrib.ox.ac.uk/cgi-bin/upload.cgi
(and send us the reference number) then we'll have a look
and see if we can find the problem.
All the best,
Mark
On 16 Oct 2009, at 05:11, Michael Hornberger wrote:
> Dear FSL experts,
>
> I am trying to run a vertex analysis in FSL 4.1.2 on a group of
> controls (N=18) and patients (N=5) for the left Hippocampus with the
> following command line:
>
> first_utils --vertexAnalysis --usebvars -i con_to_tea_L_Hipp.bvars -
> d con0_tea1.mat -o shape_analysis/con0_tea1_L_Hipp --useReconNative
> --useRigidAlign -v >& shape_analysis/con0_tea1_L_Hipp_output.txt
>
> However, the analysis aborts and the output text files gives me the
> following error:
>
>> read model
>> done reading model
>> setting up shape/appearance model
>> The shape has 732 vertices.
>> 336 modes of variation are retained.
>> The model was constructed from 336 training subjects.
>> model loaded
>> read model
>> done reading model
>> setting up shape/appearance model
>> The shape has 732 vertices.
>> 336 modes of variation are retained.
>> The model was constructed from 336 training subjects.
>> terminate called after throwing an instance of
>> 'NEWMAT::SingularException'
> I have installed the latest patches for concat_bvars and
> first_boundary_corr but still encounter the same problem.
>
> My design matrix looks as follows:
>
>> /NumWaves 1
>> /NumPoints 23
>> /PPheights 1.000000e+00
>>
>> /Matrix
>> 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00
>> 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00
>> 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00
>> 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00
>> 0.000000e+00 0.000000e+00 1.000000e+00 1.000000e+00
>> 1.000000e+00 1.000000e+00 1.000000e+00
>
> Any idea why this happens?
> Thanks for any info,
> Michael
>
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