[AstroPy] [ANN] Nestle: Nested sampling
Johann Cohen-Tanugi
johann.cohentanugi at gmail.com
Tue Sep 29 13:03:03 EDT 2015
likewise!
Any prospect toward the polychord extension? See
http://arxiv.org/abs/1506.00171v1
cheers,
Johann
On 09/29/2015 10:30 AM, Wolfgang Kerzendorf wrote:
> HI Kyle,
>
> Very nice. I'll definitely have a look at that.
>
> Cheers,
> Wolfgang
> --
> Dr. Wolfgang E Kerzendorf
> ESO Fellow
> European Southern Observatory
> Karl-Schwarzschild Str. 2, 85748
> Garching bei Muenchen, Germany
>
> On Tue, Sep 29, 2015 at 6:09 AM Kyle Barbary <kylebarbary at gmail.com
> <mailto:kylebarbary at gmail.com>> wrote:
>
> Hi all,
>
> I'm pleased to announce the initial release of Nestle, a small
> Python package for nested sampling. ("Nestle" rhymes with
> "wrestle".) Nested sampling is a statistical technique for
> parameter estimation and model comparison, commonly used in
> cosmology. We've been using it in the sncosmo package and have
> found it to be a robust global optimizer in addition to its more
> typically cited benefits.
>
> Nestle implements an algorithm similar to that used in the
> MultiNest software, but in an open-source (MIT) licensed and
> easy-to-install (pure Python) package. (It was written based only
> on the literature, not the MultiNest source code.) In addition to
> this algorithm, Nestle also implements the "classic" nested
> sampling algorithm and the "single ellipsoid" algorithm.
>
> Nestle depends on only numpy and (optionally) scipy and supports
> both Python 3 and Legacy Python (formerly known as Python 2).
>
> docs: http://kbarbary.github.io/nestle
> source: http://github.com/kbarbary/nestle
>
> I'd appreciate any feedback on this initial release, particularly
> about application to real-world problems and comparisons with
> results from MultiNest. Thanks!
>
> - Kyle
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