《机器学习实战》2.2.2 节绘图时出现 NameError：name‘array’is not defined
2017-03-17 09:38
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书中shell如下：
实际运行时 报错 NameError：name‘array’is not defined
修改shell程序如下即可运行：
运行结果如下图：
实际运行时 报错 NameError：name‘array’is not defined
修改shell程序如下即可运行：
>>> import kNN
>>> from numpy import *
>>> import matplotlib
>>> import matplotlib.pyplot as plt
>>> fig = plt.figure()
>>> ax = fig.add_subplot(111)
>>> mat,lab = kNN.file2matrix('datingTestSet.txt')
>>> ax.scatter(mat[:,1], mat[:,2], 15.0*array(map(int,lab)),15.0*array(map(int,lab)))
>>> plt.show()运行结果如下图：
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