if you used the identity matrix then it is the first one
On 02/08/2017 08:43 AM, Seung-Goo KIM wrote: > Thank you very much, Doug, > > One more question: so the sig have all T-test results of contrasts > like [1 0 0 … 0], [0 1 0 ... 0], …, [0 0 0 … 1], right? or [1 -1/(N-1) > -1/(N-1), … -1/(N-1)] ? > > Best, > -- > Seung-Goo KIM > >> On 2017-02-06, at 18:54, Douglas N Greve <gr...@nmr.mgh.harvard.edu >> <mailto:gr...@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/%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 >> >> -- >> Douglas N. Greve, Ph.D. >> MGH-NMR Center >> gr...@nmr.mgh.harvard.edu <mailto:gr...@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 >> 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/ >> >> _______________________________________________ >> Freesurfer mailing list >> Freesurfer@nmr.mgh.harvard.edu <mailto: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
