Re: [Freesurfer] selxavg3-sess: F-contrast but multiple dimension in sig

-- Seung-Goo KIM > On 2017-02-06, at 18:54, Douglas N Greve greve@nmr.mgh.harvard.edu wrote: > > yes, fsig is the F test. The sig has the result of all the individual > t-tests > > > On 02/06/2017 08:41 AM, Seung-Goo KIM wrote: >> Dear surfers, >> >> I computed F-contrast using selxavg3-sess with an identity matrix as a >> contrast matrix. My question is about the result file “sig.*”. As far >> as I understand, the “sig.*” file contains signed-minnus-log-p-values >> (like, -log10(p)*Sign(t)) for a certain contrast. >> >> So I expected the dimension should be #vertices-by-1, but the sig.* >> file is in the dimension of #vertices-by-1-by-1-by-#regressors. I >> would appreciate post-hoc tests after F-test, but the dimension >> doesn’t look like one… or is it? like i-th regressor v.s. (N-i) >> regressors? If one can tell where I can find p-values for the F-test, >> and what are the values in the sig.* file. >> >> + wait. is "fsig.*” for the F-test? and “sig.*” for a set of >> one-vs.-the-others contrasts? I would still appreciate if one can >> confirm it. >> >> Best regards, >> -- >> Seung-Goo KIM >> >> Research Group for Cortical Networks and Cognitive Functions, >> Max Planck Institute for Human Cognitive and Brain Sciences, >> Stephanstraße 1A, 04103 Leipzig, Germany. >> Phone: +49 341 9940 2618 | Fax: +49 341 9940 2624 >> http://www.cbs.mpg.de/~skim http://www.cbs.mpg.de/~skim <http://www.cbs.mpg.de/%7Eskim http://www.cbs.mpg.de/%7Eskim> >> >> >> >> _______________________________________________ >> Freesurfer mailing list >> Freesurfer@nmr.mgh.harvard.edu mailto:Freesurfer@nmr.mgh.harvard.edu >> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > -- > Douglas N. Greve, Ph.D. > MGH-NMR Center > greve@nmr.mgh.harvard.edu mailto:greve@nmr.mgh.harvard.edu > Phone Number: 617-724-2358 > Fax: 617-726-7422 > > Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting > FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2 https://gate.nmr.mgh.harvard.edu/filedrop2 > www.nmr.mgh.harvard.edu/facility/filedrop/index.html http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html > Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu mailto:Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer 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 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.