To run these examples you will need the nightly Conda build of CDAT installed with Jupyter.
If you are unfamiliar with Jupyter notebooks, many resources exist on the web including the Jupyter Project's home page or Jupyter's Documentation page.
Other learning resources include:
Examples of how to use CDMS
Examples of how to use VCS
Examples of how to use cdutil and genutil
Examples of how to use VCS Addons
Examples of how to solve basic scientific problems with CDAT