Changes in version 0.1.2 (2021-08-06)                  

  - Removed constraint that derived parameters do not have any missing
    values.

                 Changes in version 0.1.0 (2020-07-16)                  

  - Added mcmc_derive() for nlist, nlists and mcmc objects
  - Added primary = FALSE argument to mcmc_derive() to include original
    parameters as is.
  - Adopted Tidyverse style for error messages.
  - Moved extra functions to extras package.
  - Replaced checkr and err dependencies for chk.

                 Changes in version 0.0.1 (2019-07-02)                  

  - Optimized mcmc_derive().