Hi,
dtifit already returns MD (_MD file).
You can get voxel-wise AD from the first eigenvalue map (_L1 file), and RD by averaging (using, e.g., fslmaths) the second and third eigenvalue maps (_L2 and _L3 files).
Hope this helps, cheers,
Matteo
> On 12 Dec 2017, at 05:03, Josue Avecillas <[log in to unmask]> wrote:
>
> Hi Mateo
>
> Thank you so much! Your example mention FA and I now that I can easily get from the output of DTIFIT, but how to get MD, AD and RD? I don't know how to get those scalars from DTIFIT output.
>
> Thank you again !
>
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