Hi FS experts, I had a quick silly question about QDEC - I'm trying to run a group morphometry analysis of cortical volume between two groups (patient and control). I want to use ICV as a nuisance covariate and noticed you need to demean the ICV values in order for QDEC to work. My question is: Is there a way to demean these values within QDEC? Or do I have to manually demean these and then add them as a covariate to my qdec.table.dat?
Thank you! Gabriella
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