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import numpy as np | |
from sklearn.cluster import KMeans | |
from sklearn import metrics | |
import matplotlib.pyplot as plt | |
plt.subplot(3, 2, 1) | |
x1 = [15, 19, 15, 5, 13, 17, 15, 12, 8, 6, 9, 13] | |
x2 = [13, 16, 17, 6, 17, 14, 15, 13, 7, 6, 10, 12] | |
plt.scatter(x1, x2) | |
X = np.array(list(zip(x1, x2))) | |
c = ['b', 'g', 'r', 'c', 'm', 'y', 'k', 'b'] | |
m = ['o', 's', 'D', 'v', '^', 'p', '*', '+'] | |
p = 1 | |
for i in [2, 3, 4, 5, 8]: | |
p += 1 | |
plt.subplot(3, 2, p) | |
model = KMeans(n_clusters=i).fit(X) | |
print (model.labels_) | |
for i, j in enumerate(model.labels_): | |
plt.plot(x1[i], x2[i], color=c[j], marker=m[j],ls='None') | |
print (metrics.silhouette_score(X, model.labels_ ,metric='euclidean')) | |
plt.show() |
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