@classmethod
def setup_class(cls, true, endog, atol=1e-05, rtol=1e-07, **kwargs):
    cls.model = markov_autoregression.MarkovAutoregression(endog, **kwargs)
    cls.true = true
    cls.result = cls.model.smooth(cls.true['params'])
    cls.atol = atol
    cls.rtol = rtol
@classmethod
def setup_class(cls, true, endog, atol=1e-05, rtol=1e-07, **kwargs):
    cls.model = markov_autoregression.MarkovAutoregression(endog, **kwargs)
    cls.true = true
    cls.result = cls.model.smooth(cls.true['params'])
    cls.atol = atol
    cls.rtol = rtol