External Email - Use Caution Great thanks.
On Fri, Oct 18, 2019, 10:09 AM Greve, Douglas N.,Ph.D., < dgr...@mgh.harvard.edu> wrote: > Yes, that is correct. It is testing the null hypothesis A=B=C=D=E=F. That > hypothesis will be rejected if A is different from B-F, which is what you > are testing. The other contrasts are redundant (and would cause an error if > you added them to the contrast matrix)z > > On 10/16/19 12:03 PM, cody samth wrote: > > External Email - Use Caution > Hi, > > I'm designing an analysis that will have 6 groups (two factors/three > levels). I was wondering if I could get some input regarding my contrast > for the group effect. Based on the group effect contrast under the FSGD > examples for 3 groups I've written a five line contrast file that compares > group 1 against the other 5 groups. > > 1-1 0 0 0 0 > 1 0 -1 0 0 0 > 1 0 0 -1 0 0 > 1 0 0 0 -1 0 > 1 0 0 0 0 -1 > > Which from my understanding should cover the rest of the contrasts such as > 2v5 3v6 and etc. Is my understanding of this correct? > > _______________________________________________ > Freesurfer mailing > listfreesur...@nmr.mgh.harvard.eduhttps://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
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