GroupBy.
std
Compute standard deviation of groups, excluding missing values.
Delta Degrees of Freedom. The divisor used in calculations is N - ddof, where N represents the number of elements.
See also
pyspark.pandas.Series.groupby
pyspark.pandas.DataFrame.groupby
previous
pyspark.pandas.groupby.GroupBy.rank
next
pyspark.pandas.groupby.GroupBy.sum