pandas.api.typing.SeriesGroupBy.cov

SeriesGroupBy.cov(other, min_periods=None, ddof=1)

Compute covariance between each group and another Series.

Parameters:

otherSeries

Series to compute covariance with.

min_periodsint, optional

Minimum number of observations required per pair of columns to have a valid result.

ddofint, optional

Delta degrees of freedom for variance calculation.

Returns:

Series

Covariance value for each group.

See also

Series.cov

Equivalent method on Series.

Examples

>>> s = pd.Series([1, 2, 3, 4], index=[0, 0, 1, 1])
>>> g = s.groupby([0, 0, 1, 1])
>>> g.cov()