QDEC is mostly depreicated. Use the command-line stream. See the group analysis on this page https://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial
On 04/19/2018 04:48 PM, David S Lee wrote: > > > Hi FreeSurfer Experts, > > I want to test the relationship between cortical thickness and two > continuous covariates (interaction) while controlling for one > categorical variable. In QDEC, I can only choose one covariate, so I > created a new variable that is a dot product (covariate1*covariate2) > of the two to represent interaction. After analyzing, when I look at > the data points at a single voxel, there is no visual indication of > interaction. There also is no fitted line. > > Am I utilizing QDEC correctly? > > Thank you for your help! > > -- > David S. Lee > Associate Research Specialist > Center for Healthy Minds > University of Wisconsin - Madison > (608) 890-1115 <tel:%28608%29%20890-1115> > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer _______________________________________________ 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.
