Compute the score function at params.
params : array_like
Array of parameters at which to evaluate the score function.
transformed : boolean, optional
Whether or not params is already transformed. Default is True.
statsmodels.tsa.regime_switching.markov_regression.MarkovRegression.regime_transition_matrix
statsmodels.tsa.regime_switching.markov_regression.MarkovRegression.score_obs
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