python 中常用的画图工具

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python 中常用的画图工具

import  matplotlib.pyplot as plt;import numpy as npimport pandas as pdplt.rcParams['font.sans-serif'] = ['SimHei']#正常显示中文plt.rcParams['axes.unicode_minus']=False;#正常显示负号'''plot()'''figure1=plt.figure('plot',figsize=(7,5));x=np.linspace(0,2*np.pi,50);y = np.sin(x);plt.plot(x,y,'bp--');plt.xlabel('中文')plt.ylabel('abc')figure1.show()'''pie()'''figure2 = plt.figure('pie')labels = 'Frogs' , 'Hogs', 'Dogs', 'Logs'sizes = [15,30,45,10]colors = ['yellowgreen','gold','lightskyblue','lightcoral']explode = (0,0.1,0,0)plt.pie(sizes,explode=explode,labels=labels,colors=colors,autopct='%1.1f%%',shadow=True,startangle=90)plt.axis('equal')figure2.show()'''hist()'''figure3 = plt.figure('hist')x= np.random.randn(1000)plt.hist(x,10)figure3.show()'''boxplot()'''x = np.random.randn(1000)D = pd.DataFrame([x,x+1]).TD.plot(kind = 'box')plt.show()'''plot(logx=True)'''figure5 = plt.figure('plot(log)')x = pd.Series(np.exp(np.arange(20)))x.plot(label='原始数据',legend = True)plt.show()x.plot(logy=True,label='对数数据',legend = True)plt.show()

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