Conditional Inference on Tables with Structural Zeros

This page contains the C code for running the sequential importance sampling (SIS) algorithms developed in

Chen, Y. (2007). Conditional Inference on Tables with Structural Zeros. Journal of Computational and Graphical Statistics, 16, 445-467.

Click on the links below to download the code.


Details for running the code are given in the README file.

Examples of the input files:

(The MLEs are from Fienberg’s (1980) book: The Analysis of Cross-Classified Categorical Data .

If you have any questions, please email

This material is based upon work supported by the National Science Foundation under Grants DMS-0203762 and DMS-0503981. Any opinions, findings and conclusions or recommendations expressed in this material are those of the author and do not necessarily reflect the views of the National Science Foundation.

Last update: August 2006.