For t-tests, you could try simply either
1
or
-1
For an F test, then just a 1 should do.
Best regards,
-John
> I am working on a TBM analysis (SPM2 or SPM5) with one subject group
> scanned twice at about 2 years interval. I have 13 subjects in total.
> I would like to correlate growth/loss map (Jacobian map) from Time1 to
> Time 2 with age as a covariate. I tried to use Basic Models -> Simple
> Regression. I feed in the Jacobian maps for each subjects and enter the
> ages of the 13 subject as the covariates. The program ran and finished.
> Then I proceed to look into the result. It asks me to define the contrast
> for T or F statistic. I am not sure how to define it though.
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