CmdStan and RStan v2.2.0

The Stan Development Team is happy to announce CmdStan and RStan v2.2.0.

PyStan will follow shortly.

This is a minor release with a mix of bug fixes and features. For a full list of changes, please see the v2.2.0 milestone on stan-dev/stan’s issue tracker. Some of the bug fixes and issues are listed below.

Bug Fixes

• increment_log_prob is now vectorized and compiles with vector arguments
• multinomial random number generator used the wrong size for the return value
• fixed memory leaks in auto-diff implementation
• variables can start with the prefix ‘inf’
• fixed parameter output order for arrays when using optimization
• RStan compatibility issue with latest Rcpp 0.11.0

Features

• suppress command line output with refresh <= 0
• added 1 to treedepth to match usual definition of treedepth
• added distance, squared_distance, diag_pre_multiply, diag_pre_multiply to Stan modeling lnaguage
• added a ‘fixed_param’ sampler for use with the generated quantities block

For more information and download links, visit Stan’s webpage: http://mc-stan.org

– Stan Development Team

via:http://andrewgelman.com/2014/02/13/cmdstan-v2-2-0/