Comments (4)
Hi @NunopRolo,
Thanks for using skforecast.
The current implementation of ForecasterAutoreg
and ForecasterAutoregDirect
does not allow to use ARIMA models as regressors. The reason is that the underlying matrices for fitting the model are not compatible. For ARIMA-SARIMAX models, we suggest using ForecasterSarimax
.
Hope this helps.
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Thanks for the quick response.
Ok, but with ForecasterSarimax
it is not possible to perform the direct multi-step approach.
Do you know of any way, or another library, to perform this direct multi-step approach, in ARIMA models?
Thank you!
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Unfortunately, there is currently no way to do this in skforecast, and I am not aware of any other library that does it.
Still, I am not sure if it makes sense to combine a direct strategy with an arima model. These types of models are forced to use a recursive strategy because they need the previous errors in their MA component. Therefore, for an arima model to predict step +3, it needs to predict step +1 and step +2 before. They cannot point directly to step +3.
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Ok @JoaquinAmatRodrigo, thank you.
I closed the issue then.
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Related Issues (20)
- `ForecasterAutoreg` fails to fit when `exog` do not have string column names HOT 1
- `ForecasterAutoreg` fails to fit when index do not start from 0 HOT 3
- How to use it with planning input or other forecast as a guide? HOT 5
- grid_search_sarimax stuck without any progress HOT 1
- Back testing HOT 1
- Backrest and hyper parameter tuning HOT 1
- Just a question about probabilistic forecasting HOT 3
- Naming convention for backtesting methods HOT 2
- Feature request regarding time series with different lengths HOT 5
- bayesian_search_forecaster (Optuna) & Saving/Resuming Study with RDB Backend HOT 1
- Feature request: Recursive multistep multivariate forecasting and direct multistep multi-series forecasting HOT 4
- A single model multivariate forecaster HOT 3
- Issue saving ForecasterSarimax object HOT 4
- Custom predictors are inefficient for window features HOT 1
- grid_search_sarimax takes a very long time to run HOT 1
- Feature request: Add ability to skip steps in backtesting HOT 6
- Bad error handling when Index is neither RangeIndex nor DateIndex HOT 3
- Why do i have faster runtime when using more frequent refits HOT 2
- syntax error !! HOT 1
- Feature request: Custom predictors for multivariate forecasting
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