Paola Valsasina wrote: > > Dear FS list, > > > > I have a couple of questions about QDEC toolbox. > > 1) If I perform a multiple regression model and I obtain a significant > cluster of correlation, is it possible to extract the corresponding > regression coefficient, in order to report the strength of this > correlation at that point? > If you run the simulation, there should be a file in each contrast output directory called something like "cache.th20.abs.y.ocn.dat". This has a matrix of numbers. The rows are each subject, the columns are each significant cluster. > > 2) Is it possible to perform some kind of masking? (e.g., to quantify > correlation with a metric only within cortical areas that are > different between groups?) > Not within QDEC. You can run mri_glmfit and give it a mask (--mask). > > 3) Is it correct that it is not possible to overlay the results of > different qdec models on the same brain within qdec toolbox, but that > we have to use a different tool (e.g. freeview?) to overlay multiple > sig.mgh images at the same time? > Correct, you cannot overlay different models in qdec.
doug > > Thank you for any help > > Kind regards, > > Paola > > > > > > > <http://www.5xmille.org> > ------------------------------------------------------------------------ > > _______________________________________________ > 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.
