Hi Doug, I've attached the fsgd file and the contrast matrix file. Thanks for your help!
- Afsana ______________________________ Afsana Afzal Clinical Research Coordinator Massachusetts General Hospital Division of Neurotherapeutics Department of Psychiatry: Neurosciences 149 13th St, Room 2612 Charlestown, MA 02129 Phone: 617-643-5129 Fax: 617-726-4078 ________________________________________ 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: Friday, April 08, 2016 12:07 PM To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] Group level analysis: Specifying contrasts I don't know what you mean, can you just send the header of the fsgd file and the contrast matrix? On 04/04/2016 11:20 AM, Afzal, Afsana wrote: > Hi, > > I want to perform a linear regression for a task with 3 different risk > conditions (low, medium, high) with the following linear trend: low = > 1, medium = 2, high = 3. > > Right now I'm specifying the above weighted under each risk condition > in my contrast matrix. Is this the correct approach? I want to make > sure I am calculating a regression and not a weighted average. > > Thank you for your help, > > Afsana > > > ______________________________ > *Afsana Afzal* > Clinical Research Coordinator > Massachusetts General Hospital > Division of Neurotherapeutics > Department of Psychiatry: Neurosciences > 149 13th St, Room 2612 > Charlestown, MA 02129 > Phone: 617-643-5129 > Fax: 617-726-4078 > > > _______________________________________________ > 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
avg.risk.mod.fsgd
Description: avg.risk.mod.fsgd
weight_avg.mtx
Description: weight_avg.mtx
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