pandas.core.groupby.GroupBy.sem

GroupBy.sem(self, ddof: int = 1)

Compute standard error of the mean 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 error of the mean of values within each group.

See also

Series.groupby

DataFrame.groupby

pandas.core.groupby.GroupBy.size pandas.core.groupby.GroupBy.std