7.10.10.11. statsmodels.stats.moment_helpers.se_cov¶

statsmodels.stats.moment_helpers.se_cov(cov)[source]¶

get standard deviation from covariance matrix

just a shorthand function np.sqrt(np.diag(cov))

Parameters:	cov : array_like, square covariance matrix
Returns:	std : ndarray standard deviation from diagonal of cov