Installs and sets up AFNI's ClustScat demo archive
After setup, read file /home/afniHQ/afni.build/build/doc/build_doc/python_help_scripts/AFNI_ClustScatDemo/AAA_README.txt
for further instructions.
*****************
The instructions for interactive graphing of
Clusterize ROI averages vs. an external 1D
file (e.g., a subject-level covariate) are
in file /home/afniHQ/afni.build/build/doc/build_doc/python_help_scripts/AFNI_ClustScatDemo/AAA_README.txt
*****************
It takes a while to download and unpack the data archive.