Hi Micky,
The phrase “Effect size” can be taken to mean different things to different people. In terms of statistical effect size you can take the “raw” t-statistics that are produced by randomise, although you can just use the PE/COPEs as un-normalised effect sizes. Note that you can also use the option --glm_output in randomise to generate the COPE/PE images etc.
Hope this helps,
Kind Regards
Matthew
--------------------------------
Dr Matthew Webster
FMRIB Centre
John Radcliffe Hospital
University of Oxford
> On 20 Aug 2018, at 21:18, Michele Andrea Ferrandino <[log in to unmask]> wrote:
>
> Hello,
> After I run randomise for a my DTI study, I run film_fls in order to obtain COPE and PE.
> Now, and sorry if the question is stupid: How can I calculate the effect size from COPE or PE?
> Is there any 'manual' for film_gls?
>
> Thanks,
> Micky
>
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