你可以使用
B.add_weighted_edges_from(
[(row['domain'], row['subdomain'], 1) for idx, row in df.iterrows()],
weight='weight')
添加加权边缘,或者您可以使用
B.add_edges_from(
[(row['domain'], row['subdomain']) for idx, row in df.iterrows()])
添加没有权重的边。
您可能不需要权重,因为节点度数是相邻边的数量
到那个节点。例如,
>>> B.degree('example.org')
3
import pandas as pd
import networkx as nx
import matplotlib.pyplot as plt
df = pd.DataFrame(
{'IP': ['10.20.30.40',
'30.50.70.90',
'10.20.30.41',
'10.20.30.42',
'90.80.70.10'],
'domain': ['example.org',
'site.com',
'example.org',
'example.org',
'website.com'],
'subdomain': ['test1', 'something', 'test2', 'test3', 'else']})
B = nx.Graph()
B.add_nodes_from(df['subdomain'], bipartite=0)
B.add_nodes_from(df['domain'], bipartite=1)
B.add_weighted_edges_from(
[(row['domain'], row['subdomain'], 1) for idx, row in df.iterrows()],
weight='weight')
print(B.edges(data=True))
# [('test1', 'example.org', {'weight': 1}), ('test3', 'example.org', {'weight': 1}), ('test2', 'example.org', {'weight': 1}), ('website.com', 'else', {'weight': 1}), ('site.com', 'something', {'weight': 1})]
pos = {node:[0, i] for i,node in enumerate(df['domain'])}
pos.update({node:[1, i] for i,node in enumerate(df['subdomain'])})
nx.draw(B, pos, with_labels=False)
for p in pos: # raise text positions
pos[p][1] += 0.25
nx.draw_networkx_labels(B, pos)
plt.show()
yields