Dear Hayan,
I suggest you update to SPM8 http://www.fil.ion.ucl.ac.uk/spm/software/spm8/
If you have specified and estimated your 1-level model there should be no problem specifying a paired t-test
Best wishes,
Martin
--
Martin Dietz
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On Oct 20, 2010, at 8:03 AM, haiyan wrote:
> Hello everyone,
> When I do paired t-test ,it always has some errors, such as :
> Initialising parameters : ...computing??? Index exceeds matrix dimensions.
>
> Error in ==> spdiags at 114
> a((len(k)+1):len(k+1),:) = [i i+d(k) B(i+(m>=n)*d(k),k)];
>
> Error in ==> spm_spm at 420
> s = spdiags(1./sqrt(diag(s)),0,nScan,nScan);
>
> Error in ==> spm_getSPM at 197
> [SPM] = spm_spm(SPM);
>
> Error in ==> spm_results_ui at 260
> [SPM,xSPM] = spm_getSPM;
>
> ??? Error while evaluating uicontrol Callback.
>
> string).
>> In In In In I:D:\spm2\spm_spaskaaska 64aaskaaska>>
> Why? What should I do? Any advise? Thank U!
> Best wishes!
> haiyan
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