DataFrame.slice_shift(periods=1, axis=0) Equivalent to shift without copying data. The shifted data will not include the dropped periods and the shifted axis will be smaller than the original.
| Parameters: |
periods : int Number of periods to move, can be positive or negative |
|---|---|
| Returns: |
shifted : same type as caller |
While the slice_shift is faster than shift, you may pay for it later during alignment.
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http://pandas.pydata.org/pandas-docs/version/0.18.1/generated/pandas.DataFrame.slice_shift.html