'(array) Starting parameters for maximum likelihood estimation.'

@property
def start_params(self):

    params = np.zeros(self.k_params, dtype=np.float64)
    if self.tvtp:
        params[self.parameters['regime_transition']] = 0.0
    else:
        params[self.parameters['regime_transition']] = (1.0 / self.k_regimes)
    return params
