I don't understand what you don't understand. Isn't the web page clear enough? Are those 5 steps on the web page?
On 09/18/2017 02:20 AM, std...@virgilio.it wrote: > Thanks, but I not understand if the follow step that you suggested me > should be used also for FS-FAST analysis. > > Specifically, I'm refferring to: > > 1Sample each individual's surface onto the average surface. > 2Compute the difference between each of the pairs in the average > surface space. > 3Concatenate the differences into one file. > 4Smooth on the surface (optional) > 5Perform analysis with mri_glmfit on this file > > Importantly, should I create the two fsgd files as reported in the web > page and below? Or only the second is due? > > One is: > GroupDescriptorFile 1 > Class Main > Input subject1 Main > Input subject1match Main > Input subject2 Main > Input subject2match Main > Input subject3 Main > Input subject3match Main > Input subject3 Main > Input subject3match Main > > the other is: > GroupDescriptorFile 1 > Class Main > Variables Age > Input subject1pair Main 30 > Input subject2pair Main 40 > Input subject3pair Main 50 > Input subject4pair Main 60 > > Thanks > > Regards > > > Stefano > > ----Messaggio originale---- > Da: "Douglas Greve" <gr...@nmr.mgh.harvard.edu> > Data: 18-set-2017 0.13 > A: <freesurfer@nmr.mgh.harvard.edu> > Ogg: Re: [Freesurfer] FS-FAST longitudinal analyis > > That looks correct. You can also checkout the instructions here: > > https://surfer.nmr.mgh.harvard.edu/fswiki/PairedAnalysis > > > On 9/17/17 6:07 PM, std...@virgilio.it wrote: >> Hi list, >> >> I'm not sure that the files reported below are correct to assess >> the longitudinal difference between T1 and T2. >> Please, could you check it? The result which I have obtained bu >> running mri_glmfit is too strange. >> Thanks >> Best regards >> Stefano >> >> 1) PAIRWISE.fsgd file >> ------------------- >> GroupDescriptorFile 1 >> Class subj1 >> Class subj2 >> ... >> Class subjN >> Variables TP1-vs-TP2 >> Input subj1_tp1 subj1 1 >> Input subj1_tp2 subj1 -1 >> Input subj2_tp1 subj2 1 >> Input subj2_tp2 subj2 -1 >> ... >> Input subjN_tp1 subjN 1 >> Input subjN_tp2 subjN -1 >> ---------------------------- >> >> 2) mean.mtx >> 1 1 ... 1 0 >> ------------------------------ >> 3) tp-effect.mtx >> 0 0 ... 0 1 >> ------------------------------ >> 4) mri_glmfit --glmdir PAIRWISE --y ces.nii.gz --wls >> cesvar.nii.gz --surface fsaverage rh --nii.gz --fsgd >> PAIRWISE.fsgd doss --C mean.mtx --C tp-effect.mtx >> >> >> _______________________________________________ >> 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.
