pandas / 1.4.0 / reference / api / pandas.datetimeindex.std.html /

pandas.DatetimeIndex.std

DatetimeIndex. std ( *args, **kwargs ) [source]

Return sample standard deviation over requested axis.

Normalized by N-1 by default. This can be changed using the ddof argument

Parameters
axis :int optional, default None

Axis for the function to be applied on.

ddof :int, default 1

Degrees of Freedom. The divisor used in calculations is N - ddof, where N represents the number of elements.

skipna :bool, default True

Exclude NA/null values. If an entire row/column is NA, the result will be NA.

Returns
Timedelta

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https://pandas.pydata.org/pandas-docs/version/1.4.0/reference/api/pandas.DatetimeIndex.std.html