1import pandas as pd
2import matplotlib.pyplot as plt3
from scipy.cluster.hierarchy import dendrogram, linkage4
5plt.rcParams['font.sans-serif'] = ['SimHei']6 7
w = pd.read_excel('examp6.3.3.xlsx')8
u = w.values[:,1:] #提取各个城的特征
9name = w.values[:,0] #把w的第⼀列编程index10
11#进⾏层次聚类
12Z = linkage(u, method='single', metric='euclidean')13fig = plt.figure(figsize=(10,10), dpi=72)
14dendrogram(Z, labels=name, orientation=\"left\15plt.savefig('single2.jpg')16plt.title('最短距离法')
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