Re: [Freesurfer] Error using chol

probably something wrong with your stimulus schedule (paradigm). Can you send the X.mat (or Xtmp.mat)? On 2/28/2023 12:12 PM, Caspar M. Schwiedrzik wrote: External Email - Use Caution Hi! I am running into an issue with fast_selxavg3b. I am attempting a first level PPI analysis. The

[Freesurfer] Error using chol

External Email - Use Caution Hi! I am running into an issue with fast_selxavg3b. I am attempting a first level PPI analysis. The command is mkanalysis-sess -fsd bold -native -delay -2/2 -notask -TR 2 -polyfit 6 -analysis [xxx] -funcstem [xxx] -runlistfile mooneyppi.list -nuisreg

Re: [Freesurfer] Error using chol - FS-FAST selxavg3-sess

I have done the changes did you suggested: mkanalysis-sess -analysis fc.rhipposeed.mni305 -mni305 -fwhm 6 -notask -taskreg R_Hippocampus.dat 1 -nuisreg vcsf.dat 5 -nuisreg wm.dat 5 -polyfit 5 -nskip 4 -mcextreg -fsd rest -TR 3 -per-run -hpf 0.01 -lpf 0.1 -force but the error persists: GLS

Re: [Freesurfer] Error using chol - FS-FAST selxavg3-sess

You need to swap the values of the hpf and lpf. The way you have it,  you are essentially filtering out everything above .01 Hz, which probably leaves almost no signal On 1/3/18 3:00 PM, std...@virgilio.it wrote: mkanalysis-sess -analysis fc.lhamgseed.surf.lh -surface fsaverage lh -fwhm 6

Re: [Freesurfer] Error using chol - FS-FAST selxavg3-sess

mkanalysis-sess -analysis fc.lhamgseed.surf.lh -surface fsaverage lh -fwhm 6 -notask -taskreg L_Amygdala.dat 1 -nuisreg vcsf.dat 5 -nuisreg wm.dat 5 -polyfit 5 -nskip 4 -mcextreg -fsd rest -TR 3 -per-run -hpf 0.1 -lpf 0.01 Thanks > Il 31 dicembre 2017 alle 22.34 Douglas Greve

Re: [Freesurfer] Error using chol - FS-FAST selxavg3-sess

mkanalysis-sess -analysis fc.lhamgseed.surf.lh -surface fsaverage lh -fwhm 6 -notask -taskreg L_Amygdala.dat 1 -nuisreg vcsf.dat 5 -nuisreg wm.dat 5 -polyfit 5 -nskip 4 -mcextreg -fsd rest -TR 3 -per-run -hpf 0.1 -lpf 0.01 > Il 1 gennaio 2018 alle 18.49 Douglas Greve

Re: [Freesurfer] Error using chol - FS-FAST selxavg3-sess

I meant your mkanalysis-sess command, not your selxavg3-sess command On 1/1/18 12:36 PM, std...@virgilio.it wrote: selxavg3-sess -sf sessid -a fc.rhamgseed.surf.rh I have already used this command line many times, previously, using other labels. It has always worked well. I wonder if that

Re: [Freesurfer] Error using chol - FS-FAST selxavg3-sess

selxavg3-sess -sf sessid -a fc.rhamgseed.surf.rh I have already used this command line many times, previously, using other labels. It has always worked well. I wonder if that error could be come from the update of my computer by macOS 1. Thanks Stefano > Il 31 dicembre 2017 alle 22.34 Douglas

Re: [Freesurfer] Error using chol - FS-FAST selxavg3-sess

What is your mkanalysis-sess command line? On 12/28/17 8:53 AM, std...@virgilio.it wrote: Running the "selxavg3-sess -s" command line in FS-FAST for seed-based functional connectivity analysis the following errors occurred: -- Temporally filtering Error using

[Freesurfer] Error using chol - FS-FAST selxavg3-sess

Running the "selxavg3-sess -s" command line in FS-FAST for seed-based functional connectivity analysis the following errors occurred: -- Temporally filtering Error using chol Matrix must be positive definite. Error in fast_selxavg3b (line 947) Wseg =