Exercise

Creating an igraph object

Here you will learn how to create an igraph 'object' from data stored in an edgelist. The data are friendships in a group of students. You will also learn how to make a basic visualization of the network.

Each row of the friends dataframe represents an edge in the network.

Instructions

100 XP

Inspect the first few rows of the dataframe friends using the function head().
Create new object friends.mat from the dataframe friends using as.matrix().
Convert variable to an igraph object g using graph.edgelist().
Make a basic plot of the network using plot().

Take Hint (-30 XP)