pandas.DataFrame.cov¶
- DataFrame.cov(min_periods=None)¶
Compute pairwise covariance of columns, excluding NA/null values
- min_periods : int, optional
- Minimum number of observations required per pair of columns to have a valid result.
y : DataFrame
y contains the covariance matrix of the DataFrame’s time series. The covariance is normalized by N-1 (unbiased estimator).