Hi Steve,
I read Jeanette Mumford's page and understand the demeaning issue.
There is only one thing I did not find, maybe you could give me a short answer to this?
What is the relationship between demeaning and orthogonalisation? (If I demean my variable, it is orthogonalised wrt the group mean EV; but what happens if I just tick the "orthogonalise" box in FEAT - is my variable then demeaned?)
Many thanks and best regards,
Max
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