On 04/19/2017 04:37 PM, std...@virgilio.it wrote: > I'm sorry but it not clear to me. There are 2 factors, 2 levels, while I have > 1 > Factor, 4 Levels It is still four groups. > In particular, have I looked to difference between Group1+Group2 vs > Group3+Group4? > Is it correct 0.5 -0.5 0.5 -0.5? That will give you G1+G3 vs G2+G4 > Thanks > > Stefano > >> ----Messaggio originale---- >> Da: "Douglas N Greve" <gr...@nmr.mgh.harvard.edu> >> Data: 19-apr-2017 19.23 >> A: <freesurfer@nmr.mgh.harvard.edu> >> Ogg: Re: [Freesurfer] R: Re: FSGD file FS-FAST >> >> There is one for 4 Groups with 1 covariate. Use that one and do not >> include the covariate. >> >> >> On 04/19/2017 02:37 AM, std...@virgilio.it wrote: >>> I did not find it for for 4 Groups (1 Factor, 4 Levels), Zero Covariates. >>> >>> I need for check to avoid error on my analysis. >>> Please could you say me whether the followed codes are correct. >>> >>> A) Group effect >>> 1 -1 0 0 >>> 1 0 -1 0 >>> 1 0 0 -1 >> This will generate an F test for the group effect >>> B) 0.5 0.5 -0.5 -0.5 >> This looks like it will test a difference between Group1-and-2 vs >> Group3-and-4 >>> Many thanks. >>> >>> Stefano >>> >>> >>> >>> ----Messaggio originale---- >>> Da: "Douglas Greve" <gr...@nmr.mgh.harvard.edu> >>> Data: 19-apr-2017 3.50 >>> A: <freesurfer@nmr.mgh.harvard.edu> >>> Ogg: Re: [Freesurfer] FSGD file FS-FAST >>> >>> Have you looked at >>> https://surfer.nmr.mgh.harvard.edu/fswiki/FsgdExamples ? >>> >>> >>> On 4/17/17 5:32 PM, std...@virgilio.it wrote: >>>> Hi list, >>>> please could you suggest me the group.effect.mtx and the file.mtx >>>> relative to Null Hypothesis for 4 Groups (1 Factor, 4 Levels), >>>> Zero Covariates. DODS or DOSS. >>>> Thanks >>>> Stefano >>>> >>>> >>>> _______________________________________________ >>>> Freesurfer mailing list >>>> Freesurfer@nmr.mgh.harvard.edu >>>> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer >>> >>> >>> >>> >>> _______________________________________________ >>> 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
