No, I cannot set up the contrasts manually.
Every contrast entered is deemed "invalid".
The design matrix is not set up correctly in that only 1 group's data seem
to be present (the smaller group). If the design matrix is reviewd before
the estimation step, it appears to be correct.
Thanks,
Fatima
On Fri, 11 May 2007, Volkmar Glauche wrote:
> Dear Fatima,
>
> it looks as if the error occured _after_ estimation (e.g. in a contrast
> manager batch). Are you able to view results for the analysis if you set up
> contrasts manually?
>
> Volkmar
>
> On Thu, 10 May 2007, FATIMA HUSAIN wrote:
>
>> I am trying to run a simple fullfactorial (mixed ANOVA) 2nd-level design in
>> SPM5. (this is because I could not do this in SPM2 in a straighforward
>> manner).
>> Factor1= group, levels =2, independent, unequal variance
>> Factor2= task, levels=2, dependent, equal variance.
>>
>> Group1 has 8 patients, Group2 has 16 controls.
>>
>> Should be easy right? But nooo...
>>
>> I get an error during estimation (appended below). If I change Factor1's
>> variance to "equal" it works, in that the contrasts are set up and I can
>> see the results. (Works regardless of Factor2 having equal or unequal
>> variance.) But this makes no sense because presumably the patients and
>> controls have unequal variance. I am using the latest version 714 updates.
>> Don't have any earlier updates version to try ...
>> 64-bit linux machine, recompiled the mex files.
>>
>> Any help is most appreciated.
>>
>> Fatima
>>
>> -----------------------------------
>>
>>
>>
>> Spatial non-sphericity (over scans) : ...estimating derivatives
>> Spatial non-sphericity (over scans) : ...writing resels/voxel image
>> Saving results : ...done
>> Completed : 13:38:12 - 10/05/2007
>> ...use the results section for assessment
>>
>> Error running job:
>> Improper index matrix reference.
>>
>>
>
> --
> Volkmar Glauche
> -
> Department of Neurology [log in to unmask]
> Universitaetsklinikum Freiburg Phone 49(0)761-270-5331
> Breisacher Str. 64 Fax 49(0)761-270-5416
> 79106 Freiburg http://fbi.uniklinik-freiburg.de/
>
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