How to add attributes to Nodes, Edges and Graph in Python | NetworkX Tutorial - Part 03

In this video, we will cover Attributed Graphs (Attributed Networks). We will talk about a small example of social network and we will add features (attributes) to nodes and also edges of the network/graph. Also we will add attribute to the graph (which is called graph-level attribute). So to summarize: in this video we will talk about how to add node-level features/attributes, edge-level attributes/features and also graph-level attributes/features in Python programming language using the famous Networkx package.

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How to add nodes and edges to a graph using Python NetworkX:

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Get Node Degree and Node Neighbors in Python NetworkX:

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Source Code [Method 1]:
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import networkx as nx

G=nx.Graph()

G.add_node("A",Age=19,Gender="F")
G.add_node("B",Age=18,Gender="M")
G.add_node("C",Age=22,Gender="M")
G.add_node("D",Age=21,Gender="M")
G.add_node("E",Age=20,Gender="F")

G.add_edge("A","C",weight=1)
G.add_edge("B","C",weight=0.5)
G.add_edge("B","D",weight=0.6)
G.add_edge("C","D",weight=0.8)
G.add_edge("D","E",weight=1)

pos={
"A":(1,5),
"B":(4.5,6.6),
"C":(3.6,1.4),
"D":(5.8,3.5),
"E":(7.9,3.6)
}

print("==============================================")
print(G.nodes["C"])
print(G.edges[("B","D")])
print("==============================================")

node_color="red",node_size=3000,
font_color="white",font_size=20,font_family="Times New Roman", font_weight="bold",
width=5)

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Source Code [Method 2]:
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import networkx as nx

G=nx.Graph()
G.graph["Name"]="My Graph"

G.add_nodes_from([
("A",{"Age":19,"Gender":"F"}),
("B",{"Age":18,"Gender":"M"}),
("C",{"Age":22,"Gender":"M"}),
("D",{"Age":21,"Gender":"M"}),
("E",{"Age":20,"Gender":"F"})
])

G.add_edges_from([
("A","C",{"weight":1}),
("B","C",{"weight":0.5}),
("B","D",{"weight":0.6}),
("C","D",{"weight":0.8}),
("D","E",{"weight":1})
])

pos={
"A":(1,5),
"B":(4.5,6.6),
"C":(3.6,1.4),
"D":(5.8,3.5),
"E":(7.9,3.6)
}

print("==============================================")
print(G.nodes["C"])
print(G.edges[("B","D")])
print("==============================================")

node_color="red",node_size=3000,
font_color="white",font_size=20,font_family="Times New Roman", font_weight="bold",
width=5)

[aryvette]

Thank you so much! These videos are helping me a lot. Would you recommed reading all NetworkX guide for basic users?

[AA-bsig]

Hello, if u have a policy from node A to C and from node C to B and from node B to D within the same ppid policy. And u chech the policy path from C to B and from B to D how to know the ppid came from node A to node C is the ppid from node C to B and from B to D. Thank you.

[medicherlaabhishek]

can you explain how to draw the attributed graph @koolac