python画出集聚系数分布
时间: 2024-05-16 22:11:11 浏览: 121
Python可以使用networkx库和matplotlib库来画出集聚系数分布图,具体步骤如下:
1.首先导入需要的库:networkx和matplotlib
```
import networkx as nx
import matplotlib.pyplot as plt
```
2.创建一个图形对象,可以使用networkx提供的函数快速生成一个随机图。
```
G = nx.fast_gnp_random_graph(100, 0.1)
```
这里生成了一个包含100个节点,边随机连接概率为0.1的无向图。
3.计算每个节点的集聚系数
```
cluster = nx.clustering(G)
```
nx.clustering()函数返回一个字典,键为节点编号,值为对应节点的集聚系数。
4.统计每个集聚系数的频数
```
histogram = {}
for node, clust in cluster.items():
if clust not in histogram:
histogram[clust] = 0
histogram[clust] += 1
```
这段代码遍历所有节点的集聚系数,然后统计每个集聚系数出现的次数,存储在一个字典中。
5.画出集聚系数分布图
```
plt.bar(histogram.keys(), histogram.values())
plt.xlabel('Clustering Coefficient')
plt.ylabel('Frequency')
plt.show()
```
这里使用matplotlib库的bar()函数画出了直方图,并设置了x轴和y轴标签。
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