Hi Martin, Thank you. How should this variable be coded ? Should it be as age covariate where age at baseline is used along all time points of each subject ?
Could you provide me an example of design matrix, I don't manage to see what does it look like to. Best regards, Matthieu Le 14 mai 2017 8:08 PM, "Martin Reuter" <mreu...@nmr.mgh.harvard.edu> a écrit : Hi Matthieu, yes, that is possible. Instead of group, you use a variable for your score (and interaction etc). Sometimes it may also makes sense to use score instead of time. Best, Martin > On 12 May 2017, at 10:51, Matthieu Vanhoutte <matthieuvanhou...@gmail.com> wrote: > > Dear Freesurfer's experts, > > I have searched through the mailing list but haven't found any answer to my question. > > Is it possible with LME model to make correlations between for example cortical thickness surface data and cognition scores along time ? As it is possible to test for interaction of group X time, is this also in the same way feasible to test for coognition score X time on cortical thickness ? > > Many thanks for your advice ! > > Best regards, > Matthieu > _______________________________________________ > 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.
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