Dear Rachel,
this error would occur if ReML didn't converge, which is rather unusual
at the first level (which I assume as you mention motion parameters).
Could you send me your SPM.mat offline?
Best regards,
Guillaume.
MITCHELL R.L.C. wrote:
> Dear SPMers,
>
> Could any of you advise what the following error means?
>
> Failed 'Model estimation'
> Output argument "V" (and maybe others) not assigned during call to
> "C:\Program Files\spm8\spm_reml.m (spm_reml)".
> In file "C:\Program Files\spm8\spm_spm.m" (v2975), function "spm_spm" at
> line 869.
> In file "C:\Program Files\spm8\config\spm_run_fmri_est.m" (v2928),
> function "spm_run_fmri_est" at line 69.
>
> Pictorially, I noticed that the motion parameters in the model were a
> uniform shade of grey rather than their usual finely striped appearance.
> The error continually happens when it's trying to calculate the 128th
> ReML iteration.
>
> Sincerely yours
> Rachel
>
> ***********************************************
>
> Dr Rachel Mitchell,
>
> Lecturer in Psychology, Durham University
>
> Honorary Senior Research Fellow, Institute of Psychiatry, KCL
>
> Governor, Tees Esk & Wear Valleys NHS Foundation Trust
>
>
>
> Correspondence: Dept. of Psychology,Durham University,Science
> Site,South Road,Durham. DH1 3LE. UK
>
> Tel: +44 (0)191 334 3272
>
> Fax: +44 (0)191 334 3241
>
--
Guillaume Flandin, PhD
Wellcome Trust Centre for Neuroimaging
University College London
12 Queen Square
London WC1N 3BG
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