📅  最后修改于: 2022-03-11 14:46:55.896000             🧑  作者: Mango
代码示例1
In [11]: df1.change.shift(1)
Out[11]:
0 NaT
1 2014-03-08
2 2014-04-08
3 2014-05-08
4 2014-06-08
Name: change, dtype: datetime64[ns]