Hi Veronica,
as Marko mentioned, it would be great if you could show us the
differences you observe in the results you obtain when the only change
is the MATLAB version (screenshot of the Result page and, possibly, copy
of the folders containing the SPM.mat). I would not expect significant
differences so it would be interesting to get to the bottom of this.
Best regards,
Guillaume.
On 05/10/16 07:11, Marko Wilke wrote:
> Veronica,
>
> while I do not have an answer, I believe it would be most helpful if you
> could quantify the differences (are they on the order of .01%, 1%, or
> 10%?), and report on how exactly you have made sure that the error is
> only in the statistics steps (are these datasets identical, or
> preprocessed identically in the different versions, or...). This may
> also help to narrow it down to a real glitch or rounding differences or
> whatever else.
>
> Cheers
> Marko
>
> Verónica García wrote:
>> Dear SPM experts,
>>
>> Which is the most appropriate version of MATLAB when using SPM12
>> v6685? I am asking that question because we are comparing a set of PET
>> images using a Flexible Factorial design (basic models) and the
>> results are not the same if we use MATLAB R2013a, MATLAB R2015a or
>> MATLAB R2016b.
>>
>> Thank you for any help you can provide.
>>
>> Best regards
>>
>> Verónica García Vázquez
>>
>
--
Guillaume Flandin, PhD
Wellcome Trust Centre for Neuroimaging
University College London
12 Queen Square
London WC1N 3BG
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