# mcmc (Scripts) 1.0

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• Last update: 5 years ago
• Operating system: Linux, Mac OS X, Win All, BSD, Solaris
• Publisher: David Shera
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## mcmc (Scripts) Publisher's description

### MCMC -- Markov Chain Monte Carlo Tools Copyright (c) 1998

MCMC -- Markov Chain Monte Carlo Tools Copyright (c) 1998, Harvard University. Full copyright in the file Copyright. Some routines require version 5 of Matlab, some will work with version 4

There are three parts to this library of routines.
1. *[rnd,pdf,lpr].m - distribution function tools to complement MATLAB's
2. mcmc*.m - routines to calculate and display summaries of MCMC output
3. other - other useful routines

1. Distribution Function Tools

These function help in random number generation and various calculations involving density functions.

randrand - randomize both random number chains off the clock
mvnormrnd - random multivariate normal - different from MATLAB's mvnrnd
wishrnd - random Wishart value
wishirnd - random Wishart value - integer df only
invwishrnd - random inverse Wishart value
invwishirnd - random inverse Wishart value - integer df only
invwishpdf - inverse Wishart density
metrop - a general Metropolis-Hastings step
betalpr - log probability ratio for beta distribution
gamlpr - log probability ratio for gamma distribution
invwishlpr - log probability ratio for inverse wishart distribution
mvnormlpr - log probability ratio for multivariate normal distribution

2. MCMC Summaries

mcmclt - lower triangle - for symmetric matricies to use with mcmctrace
mcmcsumm - calculate summary statistics(includes autocorrelations and Gelman-Rubin statistics)
mcmctrace - matrix of trace plots
mcmcacf - to plot autocorrelations
mcmcgr - Gelman-Rubin R statistic for convergence
mcmcdemo - short demonstration program

3. Other

ltvec - convert a lower-triangular matrix into a vector
veclt - convert a vector into a lower-triangular matrix
ltindex - convert row and column index into lt-index

Please see the contents.m file for a full description.

#### System Requirements:

MATLAB 5.2 (R10)
Program Release Status: New Release
Program Install Support: Install and Uninstall

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