Thank you Doug.I run permutations with mdi_glmfit-sim --sim perm. Would you be
able to advice on the output and how to open the permutation outputs? The
tutorial instructs on how to open the *.summary file for the summary of
clusters and *.sig.cluster.mgh the cluster corrected map, but not the
permutation output.Thank you,
Pablo
Date: Fri, 7 Aug 2015 10:53:55 -0400
From: gr...@nmr.mgh.harvard.edu
To: freesurfer@nmr.mgh.harvard.edu
Subject: Re: [Freesurfer] Correction for multiple comparisons - qdec
You can try permutation, though it is often more constraining than
those other two options. To do this, you'll need to run
mri_glmfit-sim from the command line using the --sim perm option.
Run it with --help to get examples
On 8/7/15 6:59 AM, pablo najt wrote:
Dear FS experts,
I have a question about running corrections for multiple
comparisons. I am finding a fairly large cluster analyzing 2
groups on sulcal depth. However when I tried FDR or cluster wise
correction the results do not seem to survive. As the result is
on the region I was predicting I want to make sure there are no
other options for correcting for multiple comparisons. I am
including a figure of my result to give you an idea of the size
of the cluster. Do you have any suggestions for trying
alternative ways of correcting?
Thank you in advance,
Pablo
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