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Results tagged with arima
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user 328901
Refers to the AutoRegressive Integrated Moving Average model used in time series modeling both for data description and for forecasting. This model generalizes the ARMA model by including a term for differencing, which is useful for removing trends and handling some types of non-stationarity.
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Unexpected fittedvalues using statsmodels SARIMAX [duplicate]
I have noticed that SARIMAX model in statsmodels does not produce the expected (correct) fittedvalues when the model is specified as an ARMA.
Below is an example showing the discrepancy between what I …
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