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How to estimate the optimal number of lags in VAR models from the data?

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Armando MAROZZI
Armando MAROZZI on 31 Mar 2020
Commented: Armando MAROZZI on 9 Jun 2020
I am fitting a VAR model and I was wondering which commands (if any) in MATLAB calculates the optimal number of lags given the sample data. All the documentation I find online is on how to do it after the fitted model, I would like to get it before, calculated on my data - a similar function in R is called VARselect. Is there anything similar in MATLAB?
Thanks

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Accepted Answer

azim
azim on 9 Jun 2020
hi,
i dont think there is a built in function for that but you can choose using aic and bic criteria. please follow the example on the following link:
mathworks.com/help/econ/aicbic.html
hope this helps

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