pandas.core.groupby.GroupBy.std

GroupBy.std(self, ddof: int = 1, *args, **kwargs)

Compute standard deviation of groups, excluding missing values.

For multiple groupings, the result index will be a MultiIndex.

Parameters

ddofint, default 1

Degrees of freedom.

Returns

Series or DataFrame

Standard deviation of values within each group.

See also

Series.groupby

DataFrame.groupby

pandas.core.groupby.GroupBy.sem pandas.core.groupby.GroupBy.sum