polars.Series.std

Series.std(ddof: int = 1) Optional[float]

Get the standard deviation of this Series.

Parameters
ddof

“Delta Degrees of Freedom”: the divisor used in the calculation is N - ddof, where N represents the number of elements. By default ddof is 1.

Examples

>>> s = pl.Series("a", [1, 2, 3])
>>> s.std()
1.0