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Dear SPM users, 

I’d like to extract some data from some ANOVA results, in which I’m 
comparing 3 groups of subjects, using the ‘eigenvariate’ (VOI) function. 
There is no problem doing this when my 3 groups are the same size, but if 
they differ in size I get an error. This seems strange because it has no 
problem handling the stats with 3 unequal group sizes, just extracting the 
data. Have you come across this problem before, and do you know of a 
solution?

Here's the error I get:
___________
??? Error using ==> mtimes
Inner matrix dimensions must agree.

Error in ==> spm_regions at 183
y        = spm_filter(SPM.xX.K,SPM.xX.W*y);

??? Error using ==> [Y,xY] = spm_regions(xSPM,SPM,hReg)
Error using ==> mtimes
Inner matrix dimensions must agree.

??? Error while evaluating uicontrol Callback
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Many thanks,
Chris