我想为我的 pandas.Series
添加一个整数
这是我的代码:
import pandas as pd
input = pd.Series([1,2,3,4,5])
input.append(6)
当我运行这个时,我收到以下错误:
Traceback (most recent call last):
File "<pyshell#9>", line 1, in <module>
f.append(6)
File "C:\Python33\lib\site-packages\pandas\core\series.py", line 2047, in append
verify_integrity=verify_integrity)
File "C:\Python33\lib\site-packages\pandas\tools\merge.py", line 878, in concat
verify_integrity=verify_integrity)
File "C:\Python33\lib\site-packages\pandas\tools\merge.py", line 954, in __init__
self.new_axes = self._get_new_axes()
File "C:\Python33\lib\site-packages\pandas\tools\merge.py", line 1146, in _get_new_axes
concat_axis = self._get_concat_axis()
File "C:\Python33\lib\site-packages\pandas\tools\merge.py", line 1163, in _get_concat_axis
indexes = [x.index for x in self.objs]
File "C:\Python33\lib\site-packages\pandas\tools\merge.py", line 1163, in <listcomp>
indexes = [x.index for x in self.objs]
AttributeError: 'int' object has no attribute 'index'
我该如何解决这个问题?
2 回答
将附加项转换为
Series
:或使用
DataFrame
:如果你的索引没有间隙,那么最后一个选项,
你可以使用numpy作为最后的手段:
set_value显示警告:
所以你可以使用'at'如下: