Hi Freesurfer experts,

I was wondering how many seeds we can use in fcseedcor command? I have more 
than 100 seeds and when I use all those seeds in the below command, I get this 
error:

Command: fcseedcor -s $subj -fsd rest -seed 1.dat -seed 2.dat  -xreg 
global.waveform.dat 1 -xreg vcsf_mean.dat 1 -xreg wm_mean.dat 1 -xreg 
mcprextreg 6 -hpf .01 -lpf 0 -nskip 0 -sim 1000 -o cor_all.dat

Error: Warning: Matrix is close to singular or badly scaled. Results may be 
inaccurate. RCOND =  1.768795e-22.
> In ^COperation terminated by user during fast_glmfit (line 35)


Appreciate your help,
Mona

Zahra (Mona) Nasiriavanaki, M.D.
Postdoctoral Research Fellow
Department of Psychiatry | MGH/HMS
149 13th Street, 149-2615
Boston, MA, USA, 02129

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