Changes in version 3.0.0 (2026-04-27)                  

  - Rebuilt get_OC() using analytical engines for two-arm comparative
    trials with binary and continuous endpoints, removing reliance on
    trial simulation.

                 Changes in version 2.0.0 (2025-01-17)                  

  - Added PS_prior() function to calculate the Propensity
    Score-Integrated informative priors.
  - Added PS_SAM_data to demonstrate the construction of the Propensity
    Score-Integrated SAM priors.

                 Changes in version 1.1.1 (2023-09-27)                  

  - Updated the publication reference.

                 Changes in version 1.1.0 (2023-09-06)                  

  - Added a NEWS.md file to track changes to the package.
  - Added the option to input summary statistics for SAM_weight()
    function for continuous endpoint.
  - Fixed the boundary issue for SAM_weight() function for binary
    endpoint.
  - Fixed the bug for the output of get_OC() function for binary
    endpoint.