Hello Anastasia,
If it is Randomise that is taking a long time - can you
check the text output to see if randomise is "stuck" on a
permutation?
Many Regards
Matthew
> Hi,
>
> I have a question regarding using behavioral measures in TBSS. I have two
> groups of
> subjects (patients and controls) and the patients have a measure of
> disease progression,
> which I would like to enter in the TBSS analysis. In order to do so, I
> calculated the mean of
> the disease progression variable for the patients. When setting up the
> design file in the GLM
> I entered the negative mean of disease progression for each of the
> controls, and disease
> progression value for each of the patients. As a result, the column with
> the disease
> progression EV has a mean on zero. Since I would like to see the
> correlation of FA and
> disease progression, I did not separate controls and patients into two
> groups in the GLM gui,
> but instead set the same group number to all participants. Would this be
> the correct way to
> set up this analysis?
>
> Also, when Im running this analysis, it is taking a long time (it has been
> running for 4
> days), whereas a typical TBSS analysis (looking at FA differences between
> the groups) to
> this number of participants takes about 24 hours.
>
> Thank you for your help,
>
> Anastasia
>
>
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