statsmodels.tsa.statespace.mlemodel.MLEModel.untransform_params¶
-
MLEModel.
untransform_params
(constrained)[source]¶ 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.
Notes
This is a noop in the base class, subclasses should override where appropriate.