Definitions & basic recap

Intermediate Network Analysis in Python

Eric Ma

Data Carpentry instructor and author of nxviz package

Network/Graph

  • Network = Graph = (nodes, edges)
  • Directed or Undirected
    • Facebook: Undirected
    • Twitter: Directed
  • networkx: API for analysis of graphs

ch1-1.004.png

Intermediate Network Analysis in Python

Basic NetworkX API

import networkx as nx

G

<networkx.classes.graph.Graph at 0x10b192da0>

list(G.nodes())

['customer1', 'customer3', 'customer2']
Intermediate Network Analysis in Python

Basic NetworkX API

len(G.nodes())

3

len(G.edges())

2

type(G)

networkx.classes.graph.Graph
Intermediate Network Analysis in Python

Network visualization

  • nxviz: API for creating beautiful and rational graph viz

  • Prioritize placement of nodes

ch1-1.019.png

Intermediate Network Analysis in Python

Network visualization

  • nxviz: API for creating beautiful and rational graph viz

  • Prioritize placement of nodes

ch1-1.020.png

Intermediate Network Analysis in Python

Network visualization

  • nxviz: API for creating beautiful and rational graph viz

  • Prioritize placement of nodes

ch1-1.021.png

Intermediate Network Analysis in Python

Network visualization

  • nxviz: API for creating beautiful and rational graph viz

  • Prioritize placement of nodes

ch1-1.022.png

Intermediate Network Analysis in Python

Basic nxviz API

import nxviz as nv
import matplotlib.pyplot as plt

c = nv.circos(G)

plt.show()

ch1-1.028.png

Intermediate Network Analysis in Python

Let's practice!

Intermediate Network Analysis in Python

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