How good is auto Arima?

auto. arima() does not aim at being a magic wand. Its aim is to be a robust method that works reliably on a large number of time series, and it is very good at this . If you have subject matter knowledge that it does not model, then by all means, help it along.

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What is auto Arima Python?

The auto_arima is an automated arima function of this library, which is created to find the optimal order and the optimal seasonal order, based on determined criterion such as AIC, BIC, etc., and within the designated parameter restrictions, that fits the best model to a single variable (univariable) time series.

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