Make sure that: (1) you don't have old files in the directory you are trying to write the file to (e.g. remove old files related to the SPM.mat file - ResMS, mask, beta*, etc.); and (2) that you have data at each timepoint or in each subject.
Best Regards, Donald McLaren
=================
D.G. McLaren, Ph.D.
Postdoctoral Research Fellow, GRECC, Bedford VA
Research Fellow, Department of Neurology, Massachusetts General Hospital and
Harvard Medical School
Website:
http://www.martinos.org/~mclarenOffice: (773) 406-2464
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On Thu, May 10, 2012 at 3:53 PM, ladan ghazisaidi
<[log in to unmask]> wrote:
Hello,
I use SP8 to analyse my data, At firts level statistical analysis, I have created the SPM.mat files and when I try to estimate them, it stops after a few seconds and gives me a message that reads : No inmask voxels: empty analysis and a more detailed message appears on Matlab:
Initialising parameters
: ...done
Plane 46/46 , block 1/1
: ...done
Failed 'Model estimation'
Reference to non-existent field 'Vbeta'.
In file "C:\Users\LA\Documents\spm8\spm8\config\spm_run_fmri_est.m" (v3691), function "spm_run_fmri_est" at line 100.
The following modules did not run:
Failed: Model estimation
Could you please tell me what it means and how to correct that?
Your help is very much appreciated,
Ladan
Ladan ghazi Saidi,BSc, MA,
PhD. Candidate in Biomedical Sciences,
UdeM, CRIUGM
