# skfolio.utils.stats.cov_to_corr ### skfolio.utils.stats.cov_to_corr(cov) Convert a covariance matrix to a correlation matrix. * **Parameters:** **cov** *ndarray of shape (n, n)* : Covariance matrix. * **Returns:** **corr, std** *tuple[ndarray of shape (n, n), ndarray of shape (n, )]* : Correlation matrix and standard-deviation vector