Re: [Freesurfer] R: Re: R: Re: R: Re: FS-FAST longitudinal analyis

2017-09-19 Thread Douglas Greve
Don't do the subtraction on cesvar. Instead compute cesvar = (cesvar1+cesvar2)/2 On 9/19/17 4:17 AM, std...@virgilio.it wrote: > I have run > 1) > isxconcat-sess -sf sessid_LONG_tp1 -analysis fc.rhseed.surf.rh -contrast > R_SEED -o LONG_tp1 > isxconcat-sess -sf sessid_LONG_tp2 -analysis fc.rhsee

Re: [Freesurfer] R: Re: R: Re: R: Re: FS-FAST longitudinal analyis

2017-09-19 Thread Douglas Greve
yes On 9/19/17 3:22 AM, std...@virgilio.it wrote: > Thanks. In the point 2) the tp1.gz and tp2.nii,gz are the ces.nii.gz that are > computed using isxconcat-sess? > > >> Messaggio originale >> Da: "Douglas N Greve" >> Data: 18-set-2017 23.03 >> A: >> Ogg: Re: [Freesurfer] R: Re: R: Re:

[Freesurfer] R: Re: R: Re: R: Re: FS-FAST longitudinal analyis

2017-09-19 Thread stdp82
I have run 1) isxconcat-sess -sf sessid_LONG_tp1 -analysis fc.rhseed.surf.rh -contrast R_SEED -o LONG_tp1 isxconcat-sess -sf sessid_LONG_tp2 -analysis fc.rhseed.surf.rh -contrast R_SEED -o LONG_tp2 2) fscalc /LONG_tp1/fc.rhseed.surf.rh/R_SEED/ces.nii.gz -sub/ LONG_tp2/fc.rhseed. surf.rh/R_SEED/c

[Freesurfer] R: Re: R: Re: R: Re: FS-FAST longitudinal analyis

2017-09-19 Thread stdp82
Thanks. In the point 2) the tp1.gz and tp2.nii,gz are the ces.nii.gz that are computed using isxconcat-sess? >Messaggio originale >Da: "Douglas N Greve" >Data: 18-set-2017 23.03 >A: >Ogg: Re: [Freesurfer] R: Re: R: Re: FS-FAST longitudinal analyis > >oh, I see now. In fsfast, you would