afni.nimh.nih.gov

Hi
-RHS rset = Specifies the right-hand-side 3D+time dataset.
('rset' can also be a 1D file with 1 column)
* Exactly one '-RHS' option must be given to 3dTfitter.


I wonder what is right-hand-side fMRI data? In general, we aquired one 3D+t fmri data in the MR.