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Dear Bruce，

  I have fdr correction for sig.mgh obtained by mri_glmfit, but the corrected graphs are all 0. Why is this, the instructions and the running results are as follows:

mri_fdr --fdr .05 --i lh2.gender_age.glmdir/group2/sig.mgh lh2.gender_age.glmdir/mask.mgh 2.mgh

$Id: mri_fdr.c,v 1.2 2016/01/07 22:23:57 greve Exp $

cwd /usr/local/freesurfer/subjects

cmdline mri_fdr --fdr .05 --i lh2.gender_age.glmdir/group2/sig.mgh lh2.gender_age.glmdir/mask.mgh 2.mgh

sysname  Linux

hostname xiaorn

machine  x86_64

user     xiaorn

fdr       0.050000

ninputs   1

MRIfdr2vwth: np = 149953, nv = 163842

MRIfdr2vwth: vwth = 0.000003, log10(vwhth) = 5.583609

voxel-wise-threshold         5.5836093010

Writing to 2.mgh

mri_fdr done

yours yujunjie

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