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