Dear Tony,
you made a mistake in the estimation of the model: your condition 3 (F1)
seems to be identical to condition 2 (N2), ie you entered sot{2} twice.
You can see that from the design matrix and the non-estimable contrasts.
Best regards,
Guillaume.
tony han wrote:
> Hi all,
>
> I'm learning to process tutorial data set by following Chapter 29
> "Face data" in SPM5 Manual. Before "29.2.1 Estimate" section, everything
> looks normal. However, as I run model estimation, I notice there's an
> error at the end of command lines. I've copied whole messages as
> following. Please note that the error happens at the latter part of lines.
>
> Running "Model estimation"
> SPM5: spm_spm (v$Rev: 946 $) 00:05:13 - 23/07/2009
> ========================================================================
> Initialising parameters : ...done
> Plane 1/46 , block 1/9 : ...read & mask data
> Plane 1/46 , block 2/9 : ...read & mask data
> ... ...
> Plane 46/46 , block 8/9 : ...read & mask data
> Plane 46/46 , block 9/9 : ...done
> Temporal non-sphericity (over voxels) : ...REML estimation
> ReML Block - 1
> ReML Iteration : 1
> ...7.718978e+000
> ReML Iteration : 2
> ...6.580024e-002
> SPM5: spm_spm (v$Rev: 946 $) 00:08:17 - 23/07/2009
> ========================================================================
> Initialising parameters : ...done
> Output images : ...initialised
> Plane 1/46 , block 1/9 : ...read & mask data
> Plane 1/46 , block 2/9 : ...read & mask data
> ... ...
> Plane 46/46 , block 8/9 : ...read & mask data
> Plane 46/46 , block 9/9 : ...done
> Spatial non-sphericity (over scans) : ...estimating derivatives
> Spatial non-sphericity (over scans) : ...writing resels/voxel image
> Saving results : ...done
> Completed : 00:12:49 - 23/07/2009
> ...use the results section for assessment
> ESS image 1 : ...written ess_0001.img
> spm{F} image 1 : ...written spmF_0001.img
> Error running job: In an assignment A(:) = B, the number of elements in
> A and B
> must be the same.
> In file "E:\Program
> Files\MATLAB\R2008a\toolbox\spm5\spm_config_fmri_est.m" (v832), function
> "run_est" at line 418.
> --------------------------
> Done.
>
>
> As I proceed to the next section "29.2.2 Inference for categorical
> design", I press "Result" button to invoke contrast manager. However I
> find there is only one contrast listed in the manager windows (please
> see error_contrast manager.jpg in attachement) rather than a number of
> contrasts listed in the manual (please see normal_contrast manager.jpg
> in attachment).
> How can I solve this problem? Any suggestion will be greatly
> appreciated. Thanks in advance!
> Tony
>
> ------------------------------------------------------------------------
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> ------------------------------------------------------------------------
>
>
> ------------------------------------------------------------------------
>
--
Guillaume Flandin, PhD
Wellcome Trust Centre for Neuroimaging
University College London
12 Queen Square
London WC1N 3BG
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