I'm not sure what you mean by this. power with clusterwise corrections 
is quite tricky. You'd have to do a simulation under non-null conditions 
to see what the true positive rate is



On 07/10/2018 11:53 AM, Ting Li wrote:
>          External Email - Use Caution
>
> Hi Freesurfer Expert,
>
> How can I know the power of my GLM test after I did the clusterwise 
> correction? I got this question because I had a problem like this. I have 21 
> subjects for group A and B. Once I delete one subject from group A, one of 
> the clusterwise correction results has disappeared. Can you help me on this? 
> Thanks a lot!
>
> Best wishes,
> Ting Li
>
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