Aan de slagGa gratis aan de slag

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.

Deze oefening maakt deel uit van de cursus

Network Analysis in R

Cursus bekijken

Oefeninstructies

  • 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().

Praktische interactieve oefening

Probeer deze oefening eens door deze voorbeeldcode in te vullen.

# Load igraph
library(igraph)

# Inspect the first few rows of the dataframe 'friends'
___(friends)

# Convert friends dataframe to a matrix
friends.mat <- ___(friends)

# Convert friends matrix to an igraph object
g <- graph.edgelist(___, directed = FALSE)


# Make a very basic plot of the network
___(g)
Code bewerken en uitvoeren