I'm sorry but it not clear to me. There are 2 factors, 2 levels, while I have 1 Factor, 4 Levels In particular, have I looked to difference between Group1+Group2 vs Group3+Group4? Is it correct 0.5 -0.5 0.5 -0.5? 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
