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python根据日期绘制值_Python_Plot - Fatal编程技术网

python根据日期绘制值

python根据日期绘制值,python,plot,Python,Plot,我有一个dataframe对象: import pandas as pd import matplotlib.pyplot as plt data=pd.DataFrame({'date':['2013-03-04','2013-03-05','2013-03-06','2013-03-07'],'value':[1,1.1,1.2,1.3]}) 我想根据日期列绘制值列,我尝试过: plt.plot(pd.to_datetime(data['date']),data['value']

我有一个dataframe对象:

import pandas as pd
import  matplotlib.pyplot   as  plt

data=pd.DataFrame({'date':['2013-03-04','2013-03-05','2013-03-06','2013-03-07'],'value':[1,1.1,1.2,1.3]})
我想根据日期列绘制值列,我尝试过:

plt.plot(pd.to_datetime(data['date']),data['value'])

x轴不是我期望的日期标签。有人能帮忙吗?谢谢

你可以这样画:

data.plot(x='date', y='value')