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 -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
<gr...@nmr.mgh.harvard.edu> ha scritto:
What is your mkanalysis-sess command line?
On 12/28/17 8:53 AM, std...@virgilio.it <mailto: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 chol
Matrix must be positive definite.
Error in fast_selxavg3b (line 947)
Wseg = inv(chol(toeplitz(acfrun))');
--------------------------
Thanks
Stefano
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