# Tuning of the scale parameter

**URL:** <https://forum.dynare.org/t/tuning-of-the-scale-parameter/19641>\
**Category:** ML/Bayesian estimation\
**Created:** [14 January 2022 11:33 UTC](https://forum.dynare.org/t/tuning-of-the-scale-parameter/19641 "2022-01-14T11:33:57Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![seddiki](https://forum.dynare.org/letter_avatar_proxy/v4/letter/s/f19dbf/32.png) [@seddiki](https://forum.dynare.org/u/seddiki)\
**Post date:** [14 January 2022 11:33 UTC](https://forum.dynare.org/t/tuning-of-the-scale-parameter/19641/1 "2022-01-14T11:33:57Z")

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First of all, I would like to extend my sincere greetings to the great professor Johannes Pfeifer  
The model has been repaired and the estimation process has begun, but after about an hour and a half this message appears  
what’s wrong

 ![image](https://forum.dynare.org/uploads/default/original/2X/f/fb1fe866c97108f6f14c51832a818a8985f5f78d.png)

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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:** [14 January 2022 20:30 UTC](https://forum.dynare.org/t/tuning-of-the-scale-parameter/19641/2 "2022-01-14T20:30:01Z")

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What do the `mode_check`-plots say?