statsmodels.tsa.statespace.mlemodel.MLEModel.fix_params¶

MLEModel.fix_params(params)[source]¶

Fix parameters to specific values (context manager)

Parameters:¶

params : dict¶

Dictionary describing the fixed parameter values, of the form param_name: fixed_value. See the param_names property for valid parameter names.

Examples

>>> mod = sm.tsa.SARIMAX(endog, order=(1, 0, 1))
>>> with mod.fix_params({'ar.L1': 0.5}):
        res = mod.fit()