On 04/15/2016 08:31 PM, Elijah Mak wrote: > No, more like running the voxelwise comparisons only on voxels that > have positive BP between 2 group. Is that possible? I'm still not sure what you mean by "positive BP between 2 group". Do you mean masking out voxels where either group is less than 0? This is not possible in mri_glmfit, but you could do it post hoc. > > On another note, I am running into a puzzling "Segmentation fault" > error with the following command: Moving this to another thread > > mri_glmfit-sim --glmdir lh_ad_hc.glmdir --cache 2 neg --cwp 0.05 > --2spaces > > ================================================ > > Reading source surface > /Users/MacPro/Documents/NIMROD_DTI//fsaverage/surf/lh.white > > Done reading source surface > > Reading annotation > /Users/MacPro/Documents/NIMROD_DTI//fsaverage/label/lh.aparc.annot > > reading colortable from annotation file... > > colortable with 36 entries read (originally > /autofs/space/terrier_001/users/nicks/freesurfer/average/colortable_desikan_killiany.txt) > > Segmentation fault > > ================================================ > > Strangely, I can't seem to reproduce this error consistently too. > Sometimes, after a pause of few minutes, the exact same command works! > This happens on smoothed and non-smooth PET data. > > I have attached the text outputs resulting from both scenarios 1) > seg_fault and 2) no_seg_fault (about 10 minutes between each execution). > > The mri_glmfit-sim version is v .53.2.2 2015/08/28 19:00:13 > I am running this on a Mac Pro with 64 GB RAM. > > Thanks again > > Best Wishes, > Elijah > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
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