5.4 Pandas画图

学习目标

• 目标
  • 了解DataFrame的画图函数
  • 了解Series的画图函数
• 应用
  • 股票每日数据的统计

1 pandas.DataFrame.plot

• DataFrame.plot(x=None, y=None, kind='line')

  • x : label or position, default None
  • y : label, position or list of label, positions, default None
    • Allows plotting of one column versus another
  • kind : str
    • ‘line’ : line plot (default)
    • ‘bar’ : vertical bar plot
    • ‘barh’ : horizontal bar plot
      • 关于“barh”的解释：
      • http://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.plot.barh.html
    • ‘hist’ : histogram
    • ‘pie’ : pie plot
    • ‘scatter’ : scatter plot

更多参数细节：https://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.plot.html?highlight=plot#pandas.DataFrame.plot

2 pandas.Series.plot

更多参数细节：https://pandas.pydata.org/pandas-docs/stable/generated/pandas.Series.plot.html?highlight=plot#pandas.Series.plot