pandas.core.groupby.GroupBy.sem
GroupBy.sem(self, ddof=1)[source]-
Compute standard error of the mean of groups, excluding missing values.
For multiple groupings, the result index will be a MultiIndex.
Parameters: -
ddof : integer, default 1 -
degrees of freedom
Returns: - Series or DataFrame
-
Standard error of the mean of values within each group.
See also
Series.groupbyDataFrame.groupby
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Licensed under the 3-clause BSD License.
https://pandas.pydata.org/pandas-docs/version/0.25.0/reference/api/pandas.core.groupby.GroupBy.sem.html