Questão 1307531

Analise o script abaixo

from pandas import DataFrame

import matplotlib.pyplot as plt

from sklearn.cluster import KMeans

Data = {'x':

[36,35,23,28,34,32,30,23,36,34,66,55,56,44,51,56,52,51,64,48,49,50,36,34,43,46,40,42,52,47],

------------------'y':

[76,52,52,79,60,73,73,58,70,76,52,33,41,45,52,37,36,59,60,51,26,21,15,13,21,10,30,28,10,17] }

df = DataFrame(Data,columns=['x','y'])

m = KMeans(n_clusters=3).fit(df)

d = m.cluster_centers_

plt.xlabel("X")

plt.ylabel("Y")

plt.scatter(df['x'], df['y'], c= m.labels_.astype(float),

----s=100, alpha=0.5)

plt.scatter(d[:, 0], d[:, 1], c='red', s=250, marker='*')

plt.grid()

plt.show()

O resultado da execução é

As estrelas indicam