Dear Doug and Martin,
Thanks a lot. I just have one group including 20 subjects. The scans have
been done in a range of 0.9 to 1.5 years difference (tp2-tp1). Is ooh if I
use the instructions from Paired Analysis :
https://surfer.nmr.mgh.harvard.edu/fswiki/PairedAnalysis ?
Regards,
Best regards,
mreu...@nmr.mgh.harvard.edu
Cc: Douglas Greve gr...@nmr.mgh.harvard.edu,free surfer
freesurfer@nmr.mgh.harvard.edu
Subject: Re: [Freesurfer] Longitudinal analysis within one group
Dear Doug and Martin,
Thanks a lot. I just have one group including 20 subjects. The scans have been
done
Hi,
Would you please advise if it is possible to do longitudinal statistical
analysis within a group with two time points in Qdec. And if it is not
possible in Qdec how I suppose to do it?
Best regards,
Amirhossein Manzouri
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Freesurfer mailing list
you can't do it in qdec, use the command line stream, ie,
mris_preproc, mri_surf2surf to smoooth, mri_glmfit, and mri_glmfit-sim
doug
On 01/30/2014 09:18 AM, amirhossein manzouri wrote:
Hi,
Would you please advise if it is possible to do longitudinal
statistical analysis within a group with
Hi,
with one group you want to check if atrophy is significantly different
from zero? That is probably the case for any group (e.g. aging), so it
won't tell you anything really. Also, if you don't find atrophy in a
region it doesn't mean it's not there (only your group size is too small
to