Dear Giulia,
If you are using the BVAR package, unfortunately the FEVD functionality is not available
yet. It will be included in a future update, but at the moment there is no function for
computing or plotting FEVD within the package.
As a temporary solution, you could use the BVAR package to save the parameter draws and
then compute the FEVD manually—or alternatively, compute it using the posterior medians.
Unfortunately, I’m away for a couple of days, but as soon as I’m back I’ll be happy to
provide you with an example of how to do this.
Best regards,
Luca Pedini
Da: GIULIA CHIARA <g.chiara1(a)studenti.unibg.it>
Data: mercoledì, 30 luglio 2025 alle ore 11:23
A: gretl-users-owner(a)gretlml.univpm.it <gretl-users-owner(a)gretlml.univpm.it>,
gretl-users(a)gretlml.univpm.it <gretl-users(a)gretlml.univpm.it>
Oggetto: [Gretl-users] Query about FEVDs for BVAR
Dear Gretl community,
Good morning,
I hope this email finds you well.
I'm currently working with a BVAR model in Gretl and I'm trying to obtain the
Forecast Error Variance Decompositions (FEVDs). I was wondering if it's possible to
generate these in Gretl, and if so, what the correct method or code string would be.
I've attempted to use BVAR_fevd_plot(res, var) (where var is my variable of interest),
but I keep encountering a "parsing error."
Any guidance or examples of the correct syntax would be greatly appreciated.
Thank you for your time and assistance.
Sincerely,
Giulia Chiara