shift(self, periods=1, fill_value=None, axis=0)
Newly introduced missing values are filled with self.dtype.na_value
.
If self
is empty or periods
is 0, a copy of self
is returned.
If periods > len(self)
, then an array of size len(self) is returned, with all values filled with self.dtype.na_value
.
The number of periods to shift. Negative values are allowed for shifting backwards.
The scalar value to use for newly introduced missing values. The default is self.dtype.na_value
.
Shifted.
Shift values by desired number.
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