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mcmc-ocaml's Introduction

SUMMARY

  This library implements a general MCMC sampler and associated
  libraries, including

  * The methods described in Farr and Mandel (2011)
    (http://arxiv.org/abs/1104.0984 ) for interpolating jump proposals
    in a reversible jump MCMC.

  * The evidence calculation methods from Weinberg's paper on
    Computing the Bayesian Factor from a Markov chain Monte Carlo
    Simulation of the Posterior Distribution
    (http://arxiv.org/abs/0911.1777 ).

  Also in the library is a simple nested-sampling implementation (see
  Skilling, J. Nested Sampling.  AIP Conference Proceedings, vol. 735,
  pp. 395--405, 2004.). 

BUILDING 
 
 * To build the library, use ocamlbuild:

   ocamlbuild mcmc.cma mcmc.cmxa

 * To build the code documentation:

   ocamlbuild mcmc.docdir/index.html

 * To build all of the above at once, use 

   ocamlbuild all.otarget

 * To build the test suite, you will require oUnit
   (http://ounit.forge.ocamlcore.org/ ).  Edit the myocamlbuild.ml
   file to point to your oUnit installation, and then issue

   ocamlbuild run_tests.{native,byte}

   If you encounter compilation errors, then you may have to modify
   the definition of the cmp_float function to:

   (* Compare floats up to a given relative error *)
   let cmp_float ?(epsabs = eps) ?(epsrel = eps) a b =
     let dx = abs_float (a -. b) and 
         avg = 0.5*.((abs_float a) +. (abs_float b)) in 
     dx <= epsabs +. epsrel*.avg

 * Various useful example programs can be found in the bin/
   subdirectory; you can build them with

   ocamlbuild <program_name>.{native,byte}

 * To clean the code, issue the command 

   ocamlbuild -clean

LICENSE

  This library is released under the GPL version 3; see the LICENSE
  file for more information.

mcmc-ocaml's People

Stargazers

Shichao Wu avatar Yongcheng Wu avatar Xiao-Xiao Kou avatar Mayank Keoliya avatar  avatar Eray Özkural avatar Lance Harper avatar iuri segtovich avatar Sreekumar Thaithara Balan avatar Guillaume Yziquel avatar timothy avatar Mike Lin avatar pveber avatar Mykola Stryebkov avatar Hezekiah M. Carty avatar Thomas Gazagnaire avatar Will Meierjurgen Farr avatar Andrei Formiga avatar Thomas Lindgren avatar Cameron McBride avatar

Watchers

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mcmc-ocaml's Issues

building

i just tried building the package and had to do a few things:

  1. adjust the path to the lacaml installation in myocamlbuild.ml (easy but not mentioned in the README)
  2. building succeeded only after replacing:
    (* open Lacaml.Impl.D *)
    open Lacaml.D
    at the top of ellipse.ml
  3. after these steps, the run_tests still fail with
    File "test/asserts.ml", line 4, characters 48-54:
    Error: The function applied to this argument has type
    ?epsilon:float -> float -> float -> bool
    This argument cannot be applied with label ~epsabs

(ocaml 4.00.1, lacaml 7.0.6)

anyway, just for reference

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