pandas.DataFrame.tshift — pandas 0.24.0rc1 documentation (original) (raw)
DataFrame. tshift(periods=1, freq=None, axis=0)[source]¶
Shift the time index, using the index’s frequency if available.
| Parameters: | periods : int Number of periods to move, can be positive or negative freq : DateOffset, timedelta, or time rule string, default None Increment to use from the tseries module or time rule (e.g. ‘EOM’) axis : int or basestring Corresponds to the axis that contains the Index |
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| Returns: | shifted : NDFrame |
Notes
If freq is not specified then tries to use the freq or inferred_freq attributes of the index. If neither of those attributes exist, a ValueError is thrown