Welcome to the Social graphs and interactions course. This class probably works a little differently from other classes you've taken. To avoid any confusion, I've created this notebook to explain how everything works.
Each week of this class is an IPython notebook like this one. In order to successfully follow the class, you simply start reading from the top, following the instructions. As you read, you will encounter three things that should cause you to take break from reading or sometimes leave the page for a little bit:
Video lecture: Start by watching the "How we do things" video below. The video explains the pedagogical aspects of how the class works.
from IPython.display import YouTubeVideo
YouTubeVideo("NHr6Jzy9q_A",width=800, height=450)