statsmodels.tsa.arima.model.ARIMA.fix_params

ARIMA.fix_params(params)

Fix parameters to specific values (context manager)

Parameters

paramsdict

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()