Changes in version 2.1.4 (2022-12-15)                  

  - Enhancements
      - the function platform_design2(), a faster version of
        platform_design(), is now added to the package. The usage of
        this function is described in Example 3 in the vignettes.
      - In the help page of platform_design(), more detailed
        descriptions about arguments marginal.power and
        min.marginal.power are now added.