# Comparing model with data after log-linearization

**URL:** <https://forum.dynare.org/t/comparing-model-with-data-after-log-linearization/4314>\
**Category:** Stochastic simulations\
**Created:** [23 November 2014 23:48 UTC](https://forum.dynare.org/t/comparing-model-with-data-after-log-linearization/4314 "2014-11-23T23:48:17Z")\
**Posts on this page:** 1\
**Showing post:** 31

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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:** [29 June 2020 12:32 UTC](https://forum.dynare.org/t/comparing-model-with-data-after-log-linearization/4314/31 "2020-06-29T12:32:11Z")

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Please see

> [@Demean the series or not](https://forum.dynare.org/t/demean-the-series-or-not/11130/4):
>
> Actually, it is a bit more complicated. With the one-sided HP filter, the mean will only be asymptotically 0. Thus, if your sample is short and depending on your view of the world, you still may want to demean. See also

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