Changes in version 1.0.4 (2025-11-07)                  

  - Improved handling of NA values, which are now omitted with a
    warning.

  - Added prediction band in skipjack model examples.

                 Changes in version 1.0.3 (2025-10-01)                  

  - Improved documentation of the objective function.

                 Changes in version 1.0.2 (2025-04-08)                  

  - Added references describing the parameter estimation method.

  - Improved documentation of growth model equations.

                 Changes in version 1.0.1 (2025-02-18)                  

  - Initial release, providing the growth models gcm(), gompertz(),
    richards(), schnute3(), vonbert(), and utility function pred_band().