Re: [Freesurfer] Longitudinal analysis--mass univariate {Disarmed}

2016-02-01 Thread John Anderson
?     Bests, John    Sent: Saturday, January 30, 2016 at 5:51 AM From: "Martin Reuter" <mreu...@nmr.mgh.harvard.edu> To: "Freesurfer support list" <freesurfer@nmr.mgh.harvard.edu> Subject: Re: [Freesurfer] Longitudinal analysis--mass univariate {Disarmed} Hi Joh

Re: [Freesurfer] Longitudinal analysis--mass univariate {Disarmed}

2016-01-30 Thread Martin Reuter
Hi John, What I mean is there could be a bias in your study design if 99% of group 1 have three or more time points and 99% of group 2 have only two time points. This is something you should check. If distributions are approximately similar, you’d be fine. LME can be used in either case. If