Question

data2 = data.drop('Indicator Name', axis=1, inplace=True)
data3 = data2.drop('Indicator Code', axis=1, inplace=True)
x = [ data3[x].mean() for x in data.loc[:, "1960" : "2017" ]]
y = data.loc[:, "1960" : "2017" ]
plt.plot(x, y, color='orange')

plt.title('GDP Per year form 1960 to 2017')
plt.show()

我想绘制1960年至2017年所有数据的平均值，但是当我尝试获取每一列的平均值以在图表中使用它们时出现错误。实现此目标的最佳方法是什么？需要帮助

 TypeError  Traceback (most recent call last)
 <ipython-input-63-ec5963e0529b> in <module>()
       1 data2 = data.drop('Indicator Name', axis=1, inplace=True)
       2 data3 = data.drop('Indicator Code', axis=1, inplace=True)
 ----> 3 x = [ data2[x].mean() for x in data.loc[:, "1960" : "2017" ]]
       4 y = data.loc[:, "1960" : "2017" ]
       5 plt.plot(x, y, color='orange')





<ipython-input-63-ec5963e0529b> in <listcomp>(.0)
          1 data2 = data.drop('Indicator Name', axis=1, inplace=True)
          2 data3 = data.drop('Indicator Code', axis=1, inplace=True)
    ----> 3 x = [ data2[x].mean() for x in data.loc[:, "1960" : "2017" ]]
          4 y = data.loc[:, "1960" : "2017" ]
          5 plt.plot(x, y, color='orange')

TypeError: 'NoneType' object is not subscriptable

Python“ NoneType”对象不可下标

0 个答案: