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  3. Network Analysis in R

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().