This actually can't be done in version 5.3. An alternative is to make two t-contrasts then merge them together like this
mri_concat analysis/con1/sig.nii.gz analysis/con2/sig.nii.gz --max-bonfcor --o sig12.nii.gz doug On 05/08/2015 02:03 AM, james pardon wrote: > I would be grateful if someone could answer my question below from > some time ago. > > |Dear all,| > | > | > |I need to specify this matrix as my F contrast [1 -1 0; 0 1 -1] , however > I'm not sure how I can do this. Usually for a matrix like [1 0 0; 0 1 0] i > use| > |mkcontrast-sess -analysis analysis-name -contrast ftest -a 1 -a 2 > -nosumconds| > |I can use -c for -1 in the contrast, but using nosumconds, will assume that > -a and -c are from different contrasts, so this does not work apparently| > | > | > |-a 1 -c 2 -a 2 -c 3 -nosumconds| > |because each a and c are assumed to be from different vectors, not from one > vector. I'd appreciate if anyone could help me.| > | > | > |Best wishes,| > |James| > > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2 www.nmr.mgh.harvard.edu/facility/filedrop/index.html Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
