dream_test
dream_test,
a MATLAB program which
calls dream() to implement the DREAM algorithm for accelerating
Markov Chain Monte Carlo (MCMC) convergence using differential evolution,
by Guannan Zhang.
Licensing:
The computer code and data files described and made available on this
web page are distributed under
the GNU LGPL license.
Related Data and Programs:
dream,
a MATLAB program which
implements the DREAM algorithm for accelerating
Markov Chain Monte Carlo (MCMC)
convergence using differential evolution,
using five user functions to define the problem, by Guannan Zhang.
Examples and Tests:
PROBLEM0 is a small sample problem, in 10 dimensions, with a
density that is the maximum of two gaussians centered at (-5,-5,...,-5)
and (5,5,...,5).
-
p0_prior_density.m,
the prior density.
-
p0_prior_sample.m,
the prior sampler.
-
p0_sample_likelihood.m,
the sample likelihood function.
-
p0_size.m,
the size function.
-
p0_value.m,
the value function.
-
p0_chain01.txt,
a chain data file.
-
p0_chain02.txt,
a chain data file.
-
p0_chain03.txt,
a chain data file.
-
p0_chain04.txt,
a chain data file.
-
p0_chain05.txt,
a chain data file.
-
p0_chain06.txt,
a chain data file.
-
p0_chain07.txt,
a chain data file.
-
p0_chain08.txt,
a chain data file.
-
p0_chain09.txt,
a chain data file.
-
p0_chain10.txt,
a chain data file.
-
p0_gr.txt,
the Gelman-Rubin statistic file.
-
p0_restart.txt,
the restart file.
PROBLEM2 is based on the second example in the Vrugt reference.
The Vrugt version involves 10 variables, with a "twisted" Gaussian
density function.
-
p2_prior_density.m,
the prior density.
-
p2_prior_sample.m,
the prior sampler.
-
p2_sample_likelihood.m,
the sample likelihood function.
-
p2_size.m,
the size function.
-
p2_value.m,
the value function.
-
p2_chain01.txt,
a chain data file.
-
p2_chain02.txt,
a chain data file.
-
p2_chain03.txt,
a chain data file.
-
p2_chain04.txt,
a chain data file.
-
p2_chain05.txt,
a chain data file.
-
p2_chain06.txt,
a chain data file.
-
p2_chain07.txt,
a chain data file.
-
p2_chain08.txt,
a chain data file.
-
p2_chain09.txt,
a chain data file.
-
p2_chain10.txt,
a chain data file.
-
p2_gr.txt,
the Gelman-Rubin statistic file.
-
p2_restart.txt,
the restart file.
You can go up one level to
the MATLAB source codes.
Last revised on 08 January 2019.