记下各个简易模板,方便ctrl+c和ctrl+v 子图: import numpy as np import matplotlib.pyplot as plt x = np.array(range(1,9)) y = np.array([np.random.randint(1,11) for i in range(8)]) plt.subplot(2,2,1) plt.plot(x,y,color="b",label="line") plt.subplot(2,2,
简介 Structured Streaming is a scalable and fault-tolerant stream processing engine built on the Spark SQL engine. You can express your streaming computation the same way you would express a batch computation on static data. The Spark SQL engine will t
在数据分析领域,最出名的绘图工具就是matlib.在Python同样有类似的功能.就是matplotlib.前面几章我们都在介绍数据的生成,整理,存储.那么这一章将介绍如果图形化的呈现这些数据.来看下面的代码 这个代码通过numpy生成50个随机数,然后进行求和,最后将50个数绘制成图像,k--代表以虚线的方式 import matplotlib.pyplot as plt from numpy.random import randn if __name__=="__main__":