mac-处理处理及画图的基本步骤
2020-03-09 17:21 改改~_~ 阅读(253) 评论(0) 编辑 收藏 举报处理处理及画图的基本步骤：
from matplotlib import pyplot as plt import pandas as pd data2=pd.read_csv('/Users/ligaijiang/Pyexample/Plt/countries.csv') China_filter=data2.country=='China' China_data=data2[China_filter] US_filter=data2.country=='United States' US_data=data2[US_filter] JP_filter=data2.country=='Japan' JP_data=data2[JP_filter] #print(China_data) #print(US_data) #print(JP_data) plt.plot(China_data.year,China_data.population) plt.plot(US_data.year,US_data.population) plt.plot(JP_data.year,JP_data.population) plt.xlabel('Year') plt.ylabel('Population') plt.title('Country Population') plt.legend(['China','Us','Jp']) plt.show()
