statsmodels.tsa.regime_switching.markov_regression.MarkovRegression.loglikeobs¶ MarkovRegression.loglikeobs(params, transformed=True)¶ Loglikelihood evaluation for each period Parameters:¶ params : array_like¶Array of parameters at which to evaluate the loglikelihood function. transformed : bool, optional¶Whether or not params is already transformed. Default is True.