Hi,
On Fri, Nov 13, 2015 at 7:41 AM, gabriel robert
<[log in to unmask]> wrote:
> Dear SPM experts,
>
> How could I use MarsBar to extract the principal component value of a
> cluster, instead of the mean value of all the voxels ?
I'm afraid this isn't something available in the Marsbar interface,
but it's fairly easy to do in code.
You'll find the matching SPM code in spm_regions.m, and in particular,
you'll find the PCA around line 232 of that file.
Cheers,
Matthew
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