# Comparison with Marginal Density

**URL:** <https://forum.dynare.org/t/comparison-with-marginal-density/14431>\
**Category:** ML/Bayesian estimation\
**Created:** [6 September 2019 22:44 UTC](https://forum.dynare.org/t/comparison-with-marginal-density/14431 "2019-09-06T22:44:16Z")\
**Posts on this page:** 1\
**Showing post:** 8

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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:** [9 September 2019 09:50 UTC](https://forum.dynare.org/t/comparison-with-marginal-density/14431/8 "2019-09-09T09:50:16Z")

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1. I would estimate lambda in this case.
2. It’s the log of a density, so it will be negative whenever the densities are smaller than 1. It’s not the case that it’s minus the density.

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