afni.nimh.nih.gov

> I want to know how long time I need to spend running 3dGC.R?? Because it
> has cost 5 days after I run it!!!!!!!

I don't have any information about your data (number of time points, number of voxels, number of regressors, order of your model, etc.). Is the job done, and, if so, does the result make sense?

Gang