We gratefully acknowledge support from the United States National Science Foundation (Grants SES-0350646 and SES-0350613), the Department of Political Science and the Weidenbaum Center at Washington University, and the Department of Government and The Institute for Quantitative Social Science at Harvard University. Neither the Foundation, Washington University, the University of Michigan, nor Harvard University bear any responsibility for this software.

The MCMCpack project is now hosting its own CRAN mirror at

We are interested in adding additional models to the library. If you have R, C++, FORTRAN, GAUSS, or other code that you would like to distribute as part of this package, please contact us. Please email Andrew D.Martin ( or Kevin M. Quinn ( with any comments or questions.