28 Jun
2014
28 Jun
'14
6:20 p.m.
Dear FreeSurfer team,
We have processed our T1 data of 4 groups of subjects: controls and patients of varying degrees illness. Now we want to perform : - a F-test to compare the 4 groups (we have one covariate that we want to take into account) - a F test to investigate a differential effect of a blood value across the 4 groups. However, this effect might be non-linear (e.g. inverted U-shape).
We have made our fsgd-files, but now we are struggling with the contrast files. Could you help us out on how to create these F-test contrasts?
Thanks! Heidi