Changes in version 0.2.1 (2026-06-08)                  

Changes

  - Renamed EC50 to EI50 throughout the package.
  - Updated documentation, examples, and plot labels.
  - Maintained compatibility with previous outputs where possible.

                 Changes in version 0.2.0 (2025-10-09)                  

  - Fixed CRAN comment: removed the invalid References field from the
    DESCRIPTION file.