'get an instance of Influence with influence and outlier measures
Returns
infl : Influence instance
the instance has methods to calculate the main influence and
outlier measures for the OLS regression
See also
statsmodels.stats.outliers_influence.OLSInfluence'

def get_influence(self):

    from statsmodels.stats.outliers_influence import OLSInfluence
    return OLSInfluence(self)
