Francesca
On Wednesday, June 15, 2016, Douglas N Greve <
greve@nmr.mgh.harvard.edu> wrote:
Sorry for the delay. Do you have polar angle data? Unfortunately, FSFAST
needs both. If you don't have polar, just copy the eccen data and call
it polar. for what you want to do it won't make much difference.
On 06/08/2016 09:55 AM, Francesca Strappini wrote:
> I have only something similar in the temporal dynamics to the
> eccentricity data. I attached the Xtmp.mat file.
> Thank you!
>
> Francesca
>
> 2016-06-08 15:44 GMT+02:00 Douglas Greve <greve@nmr.mgh.harvard.edu
> <mailto:greve@nmr.mgh.harvard.edu>>:
>
> Do you have both polar and eccen data? If so, can you send the
> Xtmp.mat file?
>
>
> On 6/8/16 6:08 AM, Francesca Strappini wrote:
>> Hi Freesurfer experts,
>>
>> I'm re-posting this message because I think it got lost.
>>
>> I'm trying to analyze some phase-encoded data with the eccentricity
>> protocol for retinotopic data and I'm having troubles with
>> selxavg3-sess.
>>
>> I run the following commands:
>>
>> mkanalysis-sess -analysis OrderDisorder.idsubj.lh -surface idsubj
>> lh -TR 2
>> -retinotopy 24 -paradigm rtopy.par -fwhm 0 -per-run -nskip 5 -fsd
>> bold
>>
>> selxavg3-sess -a OrderDisorder.idsubj.lh -s
>> idsubj_OrderDisorder_continous
>>
>> and I got this error message:
>>
>> Found 122573/130829 (93.7) voxels in mask
>> Creating Design Matrix
>> ... creation time = 0.019 sec
>> DoMCFit = 1
>> ntptot = 875, nX = 80, DOF = 795
>> Saving X matrix to
>> /usr/local/freesurfer/fsfast/OrderDisorder_new/MK_OrderDisorder_continous/bold/OrderDisorder.MishaK.lh/Xtmp.mat
>> Error using svd
>> Input to SVD must not contain NaN or Inf.
>>
>> Error in cond (line 35)
>> s = svd(A);
>>
>> Error in fast_selxavg3 (line 279)
>> XCond = cond(XtX);
>>
>> Thanks!
>> Best
>> Francesca
>>
>>
>>
>> --
>> Francesca Strappini, Ph.D.
>> Neurobiology Department
>> Weizmann Institute of Science
>> 234 Herzl Street, Rehovot 7610001 Israel
>> Tel.: +972 58 444 2584 <tel:%2B972%2058%20444%202584>
>> E-mail: francesca.strappini@weizmann.ac.il
>> <mailto:francesca.strappini@weizmann.ac.il>
>>
>>
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> --
> Francesca Strappini, Ph.D.
> Neurobiology Department
> Weizmann Institute of Science
> 234 Herzl Street, Rehovot 7610001 Israel
> Tel.: +972 58 444 2584
> E-mail: francesca.strappini@weizmann.ac.il
> <mailto:francesca.strappini@weizmann.ac.il>
>
>
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--
Douglas N. Greve, Ph.D.
MGH-NMR Center
greve@nmr.mgh.harvard.edu
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