Dear SPMers,
I'm doing some correlation analysis between PET images and clinic data. I
select " Single subject: Covariates only". According to the content in Page
22 in Ch3.pdf of notes97, some contrasts with only +1 or -1 associated to
interested covariates should be proper selection. While SPM can only accept
contrasts summing up to zero. So, how to create the contrast for such case?
Thanks a lot.
Sincerely,
Yanjun
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