There is not a way to do this. Instead, try a paired analysis
https://surfer.nmr.mgh.harvard.edu/fswiki/PairedAnalysis
On 3/28/19 8:08 PM, brain health wrote:
External Email - Use Caution
What is the best way to run a whole- brain Group (intervention group, control
group) x Time (Pre,
External Email - Use Caution
*What is the best way to run a whole- brain Group (intervention group,
control group) x Time (Pre, post) interaction via QDEC?
(https://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/QdecGroupAnalysis_freeview