Just specify gender as a factor then look at the contrasts where it says that gender is accounted for or regressed out. There is really no difference between a factor of interest and a nuisance factor, it is only a matter of interpretation
On 11/18/2015 02:04 PM, Tesse, Marcello wrote: > Dear FreeSurfer experts, > > > > > > I a PhD student at King's college London. > > > > I am running cortical thickness analysis with QDEC. > > > > I would like to investigate some cortical thickness differences > > between 2 groups, > > > > using as nuisance factors 'age' and 'gender'. > > > > > > No problem at all with age. But the gender as dicotomic variable is > > > > listed on fixed factor in qdec, in design window. > > > > My question is: > > > > how can I run the analysis using 'gender' as nuisance factor?? > > > > > > > > thank you very much > > > > MARCELLO > > > _______________________________________________ > 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.