# Issues with the IRFs

**URL:** <https://forum.dynare.org/t/issues-with-the-irfs/19333>\
**Category:** Stochastic simulations\
**Created:** [23 November 2021 04:22 UTC](https://forum.dynare.org/t/issues-with-the-irfs/19333 "2021-11-23T04:22:18Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![jpfeifer](https://forum.dynare.org/user_avatar/forum.dynare.org/jpfeifer/32/5044_2.png) [@jpfeifer](https://forum.dynare.org/u/jpfeifer)\
**Post date:** [24 November 2021 08:22 UTC](https://forum.dynare.org/t/issues-with-the-irfs/19333/6 "2021-11-24T08:22:13Z")

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Have a look at the size of the response. If you set

> [@Zak](#):
>
> > [@jpfeifer](#):
> >
> > irf\_plot\_threshold = 0

there will often be wiggles due to numerical error as the IRFs are not exactly 0 but so small any wiggles are meaningless.

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