Thanks Doug! If i wanted to add a third time-point, what would u suggest would be a good method to use for time x group interaction?
Harry ________________________________________ From: freesurfer-boun...@nmr.mgh.harvard.edu [freesurfer-boun...@nmr.mgh.harvard.edu] on behalf of Douglas N Greve [gr...@nmr.mgh.harvard.edu] Sent: Wednesday, 10 October 2012 1:10 AM To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] 3 Factor glm group analysis Hi Harry, I would do a time1-time2 subtraction (fscalc) and then do a 2 group analysis (search for "paired" on our wiki). doug On 10/09/2012 12:45 AM, hhal5...@uni.sydney.edu.au wrote: > Hello, > > We are currently doing a longitudinal Group Analysis using FreeSurfer, > and were wondering if there is a way to run a 3 factor design (time is > 2 levels, group is 2 levels, subject is 10 levels) using the > mri_glmfit model, as i want to test the time by group interaction? Is > there a way of writing this model in an FSDG file? If we can't do this > using mri_glmfit, is it possible to do this using QDEC? > > Regards, > Harry > > > > > _______________________________________________ > 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: www.nmr.mgh.harvard.edu/facility/filedrop/index.html _______________________________________________ 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. _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
