Hello Rick,

It worked with using column 1!


Although it worked, here is the output with3dinfo ROImask_lh_sup_post_Sync-Async.niml.dset

3dinfo: AFNI version=AFNI_2011_12_21_1014 (Mar 21 2014) [64-bit]
Dataset File: ROImask_lh_sup_post_Sync-Async.niml.dset
Identifier Code: XYZ_lq_WhVFYKskEZJxfbIwnEQ Creation Date: Thu Aug 6 10:15:46 2015
Template Space:
Dataset Type: Anat Bucket (-abuc)
Byte Order: LSB_FIRST {assumed} [this CPU native = LSB_FIRST]
Storage Mode: NI_SURF_DSET
Storage Space: 1,020,664 (1.0 million [mega]) bytes
Geometry String: "MATRIX(1,0,0,0,0,1,0,0,0,0,1,0):127583,1,1"
Data Axes Tilt: Plumb
Data Axes Orientation:
first (x) = Right-to-Left
second (y) = Anterior-to-Posterior
third (z) = Inferior-to-Superior [-orient RAI]
R-to-L extent: 0.000 -to- 127582.000 [L] -step- 1.000 mm [127583 voxels]
A-to-P extent: 0.000 -to- 0.000 -step- 1.000 mm [ 1 voxels]
I-to-S extent: 0.000 -to- 0.000 -step- 1.000 mm [ 1 voxels]
Number of values stored at each pixel = 2
-- At sub-brick #0 'numeric' datum type is float
-- At sub-brick #1 'numeric' datum type is float

Thank you,
Stephanie