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Hi Cristina,

In fsl_glm you'd use the options --out_cope and --out_sigsq. Then use
fslmaths twice to divide the cope file by the square root of the sigsq file.

fslmaths sigsq.nii.gz -sqrt sigma.nii.gz
fslmaths cope.nii.gz -div sigma.nii.gz cohen.nii.gz

All the best,

Anderson


On 19 September 2016 at 04:09, C. Roman <[log in to unmask]> wrote:

> Thank you both for your replies! I was wondering if you could provide an
> example of the exact command(s) that one would use to extract the effect
> sizes/Cohen's d from TBSS randomise results? I looked on the discussion
> board and have some idea, but it was also noted in some of the posts that
> the commands were incorrect, so I'd like to get confirmation.
>
> Thank you!
> Cristina
>
>