我想绘制第一栏和第二栏数据为条形图,然后为第三栏数据绘制一条线。将Pandas DataFrame绘制为条形图和线条在同一张图表上
我已经尝试了下面的代码,但是这创建了2个单独的图表,但我希望在一个图表上显示所有图表。
left_2013 = pd.DataFrame({'month': ['jan', 'feb', 'mar', 'apr', 'may', 'jun', 'jul', 'aug', 'sep', 'oct', 'nov', 'dec'],
'2013_val': [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 9, 6]})
right_2014 = pd.DataFrame({'month': ['jan', 'feb'], '2014_val': [4, 5]})
right_2014_target = pd.DataFrame({'month': ['jan', 'feb', 'mar', 'apr', 'may', 'jun', 'jul', 'aug', 'sep', 'oct', 'nov', 'dec'],
'2014_target_val': [2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]})
df_13_14 = pd.merge(left_2013, right_2014, how='outer')
df_13_14_target = pd.merge(df_13_14, right_2014_target, how='outer')
df_13_14_target[['month','2013_val','2014_val','2014_target_val']].head(12)
plt.figure()
df_13_14_target[['month','2014_target_val']].plot(x='month',linestyle='-', marker='o')
df_13_14_target[['month','2013_val','2014_val']].plot(x='month', kind='bar')
这是我目前得到
我设法使用下面的代码得到这个工作 fig,ax = plt.subplots() df_13_14_target [[''''''2014_target_val']]。plot(x ='month',ax = ax,linestyle =' - ',marker ='o',color ='r') df_13_14_target [['''''''2013_val','2014_val']]。plot(x ='month',ax = ax,kind ='bar') 然而,关于如何制作线条重心位于条形的上方 – tfayyaz