Changes in version 1.2.0.9001 - Corrected a bug in the stochastic hill climbing auxiliary function that could return a partition in violation of the defined minimum group size Changes in version 1.2.0 (2025-10-22) - Added function internal_assignment() - Improved documentation, linking to Monteiro-Henriques (2025, https://doi.org/10.3897/VCS.140466). Changes in version 1.1.0 (2023-03-09) Major changes - Function bigdata_tdv() added, allowing Total Differential Value calculation for big matrices, optionally using fork with package parallel. - Two auxiliary functions added to assist bigdata_tdv() in utils.R. Bug fixes - Improved sorting in tabulation() function. - TDV calculation was corrected for some cases in optim_tdv_hill_climb() and in the associated auxiliary function in utils.R. Changes in version 1.0.0 (2022-11-14) - Updated version, for package release. Changes in version 0.0.0.9025 - Added a NEWS.md file to track changes to the package.