@cache_readonly
    def bse_re(self):
        p = self.model.exog.shape[1]
        return np.sqrt(self.scale * np.diag(self.cov_params())[p:])
Get the next valid month.
dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/regression/mixed_linear_model.py/MixedLMResults.bse_re--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/views/generic/dates.py/MonthMixin.get_next_month