Sadly, no. On 04/30/2015 04:05 AM, Alain Imaging wrote: > Hi Douglas, > indeed reading more carefully the documentation page of mri_mcsim I > figured it out. But thank for confirming it! > Is there any rule (or also rule of thumb) for choosing the > cluster-forming threshold ? > > A. > > > Date: Wed, 29 Apr 2015 11:38:00 -0400 > > From: gr...@nmr.mgh.harvard.edu > > To: freesurfer@nmr.mgh.harvard.edu > > Subject: Re: [Freesurfer] mri_mcsim with different threshold > > > > When you refer to a threshold of p=.1 are you talking about the > > cluster-forming threshold or the final p-value corrected for multiple > > comparisons? The value set when running mri_mcsim is the > cluster-forming > > threshold > > > > On 04/29/2015 06:12 AM, Alain Imaging wrote: > > > Hi everybody! > > > > > > I am running group analysis on the vertex-wise correlation between a > > > behavioral variable and cortical thickness. > > > I run a mri_glmfit using a specific label including only certain > > > region in the frontal cortex, and I have the uncorrected values for > > > the correlation. Now, if I understood correctly, I will need to run > > > mri_mcsim to perform the cluster-based correction for multiple > > > comparison within this label. To do so I will use mri_mcsim. My > > > problem is that indeed I will need to know the corresponding > threshold > > > to p = 0.1, as I need to show that an association between my > > > behavioral variable and thickness in the label is NOT present, > even at > > > liberal thresold. However, mcsim seems to only calculate threshold > for > > > a subset of p value, and looking in the help, it seems that there is > > > no way of overcome this behavior. > > > Is there another way to obtain the correct threshold value for p =.1 ? > > > > > > Thanks in adance > > > > > > A. > > > > > > > > > _______________________________________________ > > > Freesurfer mailing list > > > Freesurfer@nmr.mgh.harvard.edu > > > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > > -- > > Douglas N. Greve, Ph.D. > > MGH-NMR Center > > gr...@nmr.mgh.harvard.edu > > Phone Number: 617-724-2358 > > Fax: 617-726-7422 > > > > Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting > > FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2 > > www.nmr.mgh.harvard.edu/facility/filedrop/index.html > > Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ > > > > _______________________________________________ > > 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. > > > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
-- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2 www.nmr.mgh.harvard.edu/facility/filedrop/index.html Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
