stats
OLSInfluence.
hat_diag_factor
(cached attribute) factor of diagonal of hat_matrix used in influence
this might be useful for internal reuse h / (1 - h)
statsmodels.stats.outliers_influence.OLSInfluence.get_resid_studentized_external
statsmodels.stats.outliers_influence.OLSInfluence.hat_matrix_diag