sklearn随机生成k类数据
sklearn.datasets.make_blobs
# 用sklearn.datasets.make_blobs来生成数据
from sklearn.datasets import make_blobs
from matplotlib import pyplot
data,label = make_blobs(n_samples=100,n_features=2,centers=2,shuffle=False)
# 绘制样本显示
pyplot.scatter(data[:,0],data[:,1],c=label)
pyplot.show()
k类数据 centers就取k
shuffle=False 使数据label按照类别排序
详见https://www.cnblogs.com/wj-1314/p/10179741.html