pandas.DataFrame.slice_shift
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DataFrame.slice_shift(periods=1, axis=0)[source]
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Equivalent to shiftwithout 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 NotesWhile the slice_shiftis faster thanshift, you may pay for it later during alignment.
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Licensed under the 3-clause BSD License.
    https://pandas.pydata.org/pandas-docs/version/0.20.3/generated/pandas.DataFrame.slice_shift.html