Look in the output folder for a file called Xg.dat. This is the design matrix used by QDEC. Compare that to the design matrix from your ANOVA
On 10/28/2015 11:13 PM, Eric Cunningham wrote: > Hello Freesurfer Experts, > > I am trying to reproduce the values in sig.mgh using matlab, just to > confirm that I know what is going on. My numbers do not match > exactly, and I am hoping someone can explain my error, or point me in > the right direction. > > With Qdec, I built a model with one discrete factor (A) with groups > (A1) and (A2), one continuous covariate (B), and one nuisance factor > (C). I extracted the values from sig.mgh from the folder: > lh-Diff-A1-A2-Cor-area-B at a specific vertex. I also extracted the > values from y.mgh at the same vertex. I then ran an anova with > contrast matrix, and expected the -log10(p-value) of the A*B term to > match that of sig.mgh. > [1 0 0;... (A) > 0 1 0;... (B) > 0 0 1;... (C) > 1 1 0]; (A*B) > > Thank you for your time, > -E > > > _______________________________________________ > 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.
