Version 0.9.1 of NIMBLE released

We’ve released the newest version of NIMBLE on CRAN and on our website. NIMBLE is a system for building and sharing analysis methods for statistical models, especially for hierarchical models and computationally-intensive methods (such as MCMC and SMC). Version 0.9.1 is primarily a bug fix release but also provides some minor improvements in functionality.

Users of NIMBLE in R 4.0 on Windows MUST upgrade to this release for NIMBLE to work.

New features and bug fixes include:

  • switched to use of system2() from system() to avoid an issue on Windows in R 4.0;
  • modified various adaptive MCMC samplers so the exponent controlling the scale decay of the adaptation is adjustable by user;
  • allowed pmin() and pmax() to be used in models;
  • improved handling of NA values in the dCRP distribution; and
  • improved handling of cases where indexing goes beyond the extent of a variable in expandNodeNames() and related queries of model structure.

Please see the release notes on our website for more details.

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