statsmodels.tsa.regime_switching.markov_autoregression.MarkovAutoregression.untransform_params

MarkovAutoregression.untransform_params(constrained)

Transform constrained parameters used in likelihood evaluation to unconstrained parameters used by the optimizer

Parameters:

constrainedarray_like

Array of constrained parameters used in likelihood evaluation, to be transformed.

Returns:

unconstrainedarray_like

Array of unconstrained parameters used by the optimizer.