Dear Vladimir,
The problem is, that the spectra are not calculated for some reason (it says field csd does not exist).
Best,
Stephan
________________________________________________________
Stephan Moratti, PhD
see also: http://web.me.com/smoratti/
Universidad Complutense de Madrid
Facultad de Psicología
Departamento de Psicología Básica I
Campus de Somosaguas
28223 Pozuelo de Alarcón (Madrid)
Spain
and
Center for Biomedical Technology
Laboratory for Cognitive and Computational Neuroscience
Parque Científico y Tecnológico de la Universidad Politecnica de Madrid
Campus Montegancedo
28223 Pozuelo de Alarcón (Madrid)
Spain
email: [log in to unmask]
Tel.: +34 679219982
El 24/05/2012, a las 18:45, Vladimir Litvak escribió:
> Dear Stephan,
>
> I don't think this error is related to the previous one. If the
> spectra look OK to you I wouldn't worry about it. If not, we can look
> at it further.
>
> Vladimir
>
> On Thu, May 24, 2012 at 3:54 PM, Stephan Moratti <[log in to unmask]> wrote:
>> Dear Vladimir,
>>
>> When I reduce the number of frequency modes I do not get the warning,
>> however the csd seems not to be calculated.
>>
>> best,
>>
>> Stephan
>>
>> El 24/05/2012, a las 13:00, Stephan Moratti escribió:
>>
>> Hi Vladimir
>>
>> I tried to do DCM (SSR) on a time frequency window of interest of my MEG
>> data (Elekta Neuromag) with magnetometer sensor data. I get the following
>> errors:
>>
>>
>> evaluating condition 2 (trial 62)Warning: Matrix is close to singular or
>> badly scaled.
>> Results may be inaccurate. RCOND = 5.917766e-22.
>>> In spm_mar at 166
>> In spm_dcm_ssr_data at 209
>> In spm_dcm_ssr at 112
>> In spm_api_erp>estimate_Callback at 1074
>> In spm_api_erp at 40
>> In
>> @(hObject,eventdata)spm_api_erp('estimate_Callback',hObject,eventdata,guidata(hObject))
>> Index exceeds matrix dimensions.
>>
>> Before I had problems doing a group inversion it was due to a scaling
>> problem of the lead fields. After the fixes you have sent me, I recalculated
>> the lead fields and the group inversion worked fine. Now, the current error
>> could be to a similar problem (scaling of the data) ???
>>
>> Thanks in advance for you help.
>>
>> Best,
>>
>> Stephan
>>
>>
>> ________________________________________________________
>> Stephan Moratti, PhD
>>
>> see also: http://web.me.com/smoratti/
>>
>> Universidad Complutense de Madrid
>> Facultad de Psicología
>> Departamento de Psicología Básica I
>> Campus de Somosaguas
>> 28223 Pozuelo de Alarcón (Madrid)
>> Spain
>>
>> and
>>
>> Center for Biomedical Technology
>> Laboratory for Cognitive and Computational Neuroscience
>> Parque Científico y Tecnológico de la Universidad Politecnica de Madrid
>> Campus Montegancedo
>> 28223 Pozuelo de Alarcón (Madrid)
>> Spain
>>
>>
>> email: [log in to unmask]
>> Tel.: +34 679219982
>>
>>
>>
>>
>> ________________________________________________________
>> Stephan Moratti, PhD
>>
>> see also: http://web.me.com/smoratti/
>>
>> Universidad Complutense de Madrid
>> Facultad de Psicología
>> Departamento de Psicología Básica I
>> Campus de Somosaguas
>> 28223 Pozuelo de Alarcón (Madrid)
>> Spain
>>
>> and
>>
>> Center for Biomedical Technology
>> Laboratory for Cognitive and Computational Neuroscience
>> Parque Científico y Tecnológico de la Universidad Politecnica de Madrid
>> Campus Montegancedo
>> 28223 Pozuelo de Alarcón (Madrid)
>> Spain
>>
>>
>> email: [log in to unmask]
>> Tel.: +34 679219982
>>
>>
