The tutorial is a Jupyter notebook. There are several way to access it:

1. Non interactively using this link: https://github.com/pirg/ndradex_example/blob/master/ndradex.ipynb

2. You can install it on your machine. Clone it from the Github repository and follow the INSTALL instruction file:

git clone https://github.com/pirg/ndradex_example.git

3. Run it online in a Binder instance: https://mybinder.org/v2/gh/pirg/ndradex_example/master