Changes in version 1.2.3                        

  - Added value estimate_split to the output, which is estimate split by
    target (only when applicable).

  - Set the default value for the number of iterations within each block
    to 10.

  - Removed renv.

  - Improved documentation.

  - Added tests for invalid inputs and random partition determinism.

                 Changes in version 1.2.2 (2025-12-15)                  

  - Small bug fixes in non-user level functions get_details() and
    .generate_random_partition()

                 Changes in version 1.2.1 (2025-06-26)                  

  - Added information to stopping_reason when solving sub-problem fails.

  - Adapted to {optimizeR} version 1.2.1.

                 Changes in version 1.2.0 (2025-04-25)                  

  - Parameter bounds, analytical gradient and Hessian are now supported
    more generally.

  - Argument add_details = FALSE can be used to reduce information in
    the output.

                        Changes in version 1.1.1                        

  - In the case of multiple AO processes, the output now contains the
    additional elements estimates and values with results for all
    processes.

                 Changes in version 1.1.0 (2024-07-13)                  

  - AO can now be run in multiple (possibly parallel) processes by
    providing a list of values for the initial, partition, and/or
    base_optimizer parameters, where each combination creates a separate
    AO process.

                        Changes in version 1.0.1                        

  - Removed update_code from output. Updates are now accepted regardless
    whether they improve the function value. In the end, the best
    solution is returned.

  - Added tolerance_history argument to compare function value and
    parameters between more than one iteration.

  - Added hide_warnings argument to hide warnings during the AO process.

                 Changes in version 1.0.0 (2024-06-20)                  

  - Implemented random partitions, parameter bounds, new stopping
    criteria (iteration limit, time limit, change in function value,
    change in parameters).

  - The ao() API did change a lot, please check the documentation.

                 Changes in version 0.3.3 (2024-02-29)                  

  - Now using {cli} to improve error messages.

                 Changes in version 0.3.2 (2024-02-05)                  

  - Fixed #4 (thanks to S. Chib).

                 Changes in version 0.3.1 (2024-01-31)                  

  - Added package start up-message.

  - Added more details to README file.

  - Increased required version of {optimizeR} to version 1.0.3.

                 Changes in version 0.3.0 (2023-11-08)                  

  - Updated code to the new {optimizeR} version 1.0.1.

                 Changes in version 0.2.7 (2023-09-29)                  

  - Renamed input print.level -> verbose.

  - In the return value, renamed element "time" -> "seconds" (time is
    now always in seconds); the same in the "sequence" element.
    Additionally, added "value" column to the "sequence" element.

  - Added input f_partition to optionally specify functions for the
    partitions.

  - Added input joint_end to optionally optimize jointly in the end of
    the AO process.

  - Input iterlim can be Inf now.

  - Having empty elements in partition is no longer allowed.

  - Removed plotting feature for parameter updates during estimation.

  - New dependency on {checkmate} for input checks.

                 Changes in version 0.2.6 (2023-03-31)                  

  - Added package logo and created package website
    (https://loelschlaeger.de/ao/) with the {pkgdown} package. No code
    changes.

                 Changes in version 0.2.5 (2023-01-23)                  

  - Updated code to the new {optimizeR} version 0.3.0, which renamed
    changed some input and output names.

  - In particular, in ao(), renamed input optimizer -> base_optimizer.

  - Fixed bug when using numerical gradient and/or Hessian in target
    function.

                 Changes in version 0.2.4 (2022-12-04)                  

  - Updated code to the new {optimizeR} version 0.2.0, which renamed
    some functions.

                 Changes in version 0.2.3 (2022-09-02)                  

  - Fixed bugs when having ... arguments for ao().

                 Changes in version 0.2.2 (2022-08-24)                  

  - Removed the set_f() interface. The optimization problem is now
    specified directly in ao().

  - The output format of ao() has been changed, see the documentation of
    ao().

  - Arbitrary optimizer can now be specified in ao() as an optimizer
    object via the framework from the {optimizeR} package.

  - Removed utils functions from {ao}. They are imported from the
    {optimizeR} package.

                 Changes in version 0.2.1 (2022-01-04)                  

  - The Himmelblau's function is included as an example.

                        Changes in version 0.2.0                        

  - ao() now returns the sequence of estimates in the different
    iterations as a data frame.

  - ao() now is able to plot the sequence of estimates during
    estimation.

  - Argument groups in ao() now is called partition and sequence is
    replaced by iterations.

  - New function set_f() for specification of the optimization problem.
    Parameter constraints can now be imposed on the target function.

  - New helper functions is_number(), try_silent(), timed() and
    euclidean().

  - Included a vignette with details on alternating optimization.

  - New package sticker.

                 Changes in version 0.1.4 (2021-10-06)                  

  - Updated package metadata.

  - Updated package sticker.

                 Changes in version 0.1.3 (2021-08-12)                  

  - Exported method print.ao().

                 Changes in version 0.1.2 (2021-08-10)                  

  - Skip alternation optimization step if a group is empty.

  - Estimation times now is returned always in seconds.

  - Return stats::nlm() outputs.

  - Implemented method print.ao().

                 Changes in version 0.1.1 (2021-06-30)                  

  - Fixed minor bugs.

                 Changes in version 0.1.0 (2021-06-21)                  

  - Initial release.